WINDOW-DOOR SENSOR
Put your lights on autopilot. The RunLessWire Window-Door Sensor mounts on any door or window and signals your linked RunLessWire receiver (sold separately) the instant it opens or closes, turning a light, fan, or fixture on when the door opens and off when it closes, or the reverse, depending on how you link it.
Like every RunLessWire product, the sensor is completely self-powered through kinetic energy harvesting, so there are no batteries to replace, ever, and no wires to run. Mount it to wood, metal, glass, or tile in minutes with the included screws or double-sided adhesive, with no jamb drilling, no chiseling, and no cutting into your switch circuit.
Link it to your receiver with a quick button-press process, choosing whether the load turns on when the door opens or when it closes. Because the system communicates over a reliable 902MHz radio signal with a 150-foot range, there is no WiFi, hub, or app to configure, and each unit carries a unique digital ID to prevent crosstalk. One sensor can control up to 60 receivers, and each 5A receiver accepts up to 10 sensors or switches, so a kinetic wall switch can share the same light for manual override.
Perfect for building your own custom kit or adding automatic lighting to an existing RunLessWire setup: walk-in closets, pantries, attics, garages, sheds, basements, and safes. Available in white or black. Built with premium materials and proven kinetic technology from a USA-based company, and backed by a 5-year warranty. Engineered, assembled, and tested in the USA.
🔧 Key Features:
- Build Your Own Kit / Add a Sensor: Pairs with RunLessWire On-Off receivers (sold separately) to turn lights on when a door or window opens and off when it closes, or the reverse, so you can create a custom kit or expand an existing setup in minutes.
- No Batteries to Replace, Ever: Every open and close powers the sensor through kinetic energy harvesting, so it never goes dead the way battery-powered door sensors do. Premium components deliver years of maintenance-free operation.
- Controls Real Hardwired Fixtures: Through a linked RunLessWire 5A receiver (600W at 120V, neutral wire required), the sensor switches actual ceiling lights, fans, and outlets, not just a plug-in outlet or a smart bulb.
- Reliable 902MHz RF Signal: Commands travel through walls and floors up to 150 feet with no WiFi, hub, or app. Unique digital IDs prevent interference; one sensor links to up to 60 receivers, and each receiver accepts up to 10 devices.
- Premium Quality, 5-Year Warranty: Mounts to wood, metal, glass, or tile with the included screws or double-sided adhesive, no drilling or rewiring. Engineered, assembled, and tested in the USA and backed by a 5-year warranty.
Why Homeowners & Electricians Choose RunLessWire
🔋 Battery-Free Forever — Kinetic energy powers every press. No maintenance, no dead-switch surprises.
🔧 Be Your Own Electrician — If you can wire a light fixture, you can install this kit. Everything you need is included.
📍 Mount It Anywhere — Flat wall, cabinet side, furniture — if it's a surface, you can put a switch on it. Works as a standalone remote, too.
🌿 Eco-Friendly & Cost-Saving — Fewer materials, no battery waste, and lower electrical costs over time.
🏠 Pre-Paired, Plug-and-Play — Every kit comes ready to go, no app or hub required.
⭐ 5-Year Warranty, Hand-Assembled in the USA — Built with premium components and backed by a warranty that means it.
🎬As seen on Ask This Old House
INSTALLATION & TUTORIALSIf you are not 100% satisfied with your purchase, you can return the product and get a refund or exchange the product for another one, be it similar or not. You can return a product for up to 30 days from the date you purchased it.
Any product you return must be in the same condition you received it and in the original packaging. Damaged or missing products are subject to fees.
30 Day Unlimited Return for Refunds or Exchanges Valid in US.: At checkout, customers can opt-in for free return shipping within the 30 Day Return Window. If opted-out, a return shipping fee will be removed from the refund.
This product is warranted against defects in materials and manufacturing under normal use in accordance with instructions and specifications published by RunLessWire, for a period of five (5) years from the date of purchase by the End User. In the event of a product failure due to materials or workmanship, RunLessWire will repair or replace the defective product. For warranty service, email support@runlesswire.com with your order information and the issues you are experiencing, for a Return Authorization and to return the defective product (shipping prepaid) for prompt repair or replacement.
RunLessWire ships Monday through Friday excluding holidays. The shipping cut-off time is 10am MST. Orders placed after 10am MDT will be processed the next business day. Shipping is via USPS First class or Priority mail depending on the quantity. Typical delivery times are 3-5 business days from date of order. Shipping price and delivery time will vary on international orders.
RANGE: 50-150ft (typically)
FREQUENCY: 902MHz
POWER SUPPLY: Self-generated when switch is pressed
OUTPUT CHANNELS: Memory storage 60 links
BUTTONS: 1 - Push Button
ADDRESSING: Factory set unique ID
OPERATING TEMP: -4° to +131°F (-20° to +55°C)
RADIO CERTIFICATIONS: FCC: VJC-E9TCDS
DIMENSIONS: 2.17 (W) x 1.87 (L) x 0.67 (H) inches
RANGE: 50-150ft (typically)
FREQUENCY: EnOcean Protocol 902MHz
POWER SUPPLY INPUT RATING: 100-277 VAC 50/60 Hz
RELAY OUTPUT: Single, non-isolated latching SPST relay. 1) Electronic or LED Driver Loads: 5 Amps resistive at 100-277 VAC. 2) Motor Loads: 1/4 HP
MAX LOADS / CONTACT RATING: 5A (All loads: LED, Fluorescent, 1/4 HP motor, etc)
70A Max Inrush Current
MEMORY: Link up to 25 switches or sensors
OPERATING TEMP: -4°F to +140°F (-20°C to +60°C)
STORAGE TEMP: -4°F to +176°F (-20°C to +80°C)
DIMENSIONS: 2.75(W) x 4.5(H) x 0.62(D) inches
RADIO CERTIFICATIONS: UL 60730 (safety), UL 2043 (plenum); CSA c22.2#14-05 (safety); FCC ID: SZV-STM300U; IC ID: 5713A-STM300U
WINDOW-DOOR KITS INSTALL GUIDE
COMPARE WINDOW-DOOR KITS
Control 1 circuit with 1 sensor
Control 1 circuit with 2 sensors
Cabinets, Closets, Sheds, Window, Sliding Door
Large Closets or Cabinets with 2 Doors, Multiple Windows or Sliding Doors
1
2
1
1
Kinetic Square Sensor
Kinetic Square Sensor
5 Amp - handles up to 600W
5 Amp - handles up to 600W
Control 2 circuits with 1 switch
Control 2 circuits with 1 dual switch
Control 2 circuits with 2 dual switches
Garage lights, sconces, bathroom lights with 2 fixtures
Fan & Light, 2 lights separately from same switch
Fan & Light + and extra switch
1
1
2
2
2
2
Single Rocker
Dual Rocker
Dual Rocker
5 Amp - handles up to 600W
5 Amp - handles up to 600W
5 Amp - handles up to 600W
COMPARE ON/OFF RECEIVERS
YES
NO - sold separately
5A All Loads, Induction, Fluorescent, LED, Other
20A All Loads, Tungsten, Fluorescent, LED, Other
70 AMP max
160A Max
Handles up to 600W
Handles up to 2400W
100-240VAC
100-277VAC
ALL WIRELESS LIGHT SWITCH KITS
QUESTIONS & ANSWERS
Yes, each unit is assigned a unique digital ID and communicates only with other units specifically associated through a linking process.
25 switches can be linked to one controller.
The only limit is the wireless range. Multiple controllers may be linked to each switch.
A 3-way switch kit includes 2 wireless switches to which replace any existing wired switches. The controller replaces existing switches and does not work with them.
Typically between 50 and 150 ft. Range. The equipment nearly always works reliably within a 50’ radius and can work at longer distances.
Range is affected by:
Proximity to metal – keep away from metal to increase distance, use plastic boxes instead of metal where possible
Obstructions – Wireless signal transmits through most materials at least some distance. Materials in order of range reduction, minimum to maximum: glass, sheetrock, wood, aluminum siding, sheet metal, stucco (w/ wire mesh), brick, concrete
Interference – Some 900MHz wireless microphone systems are known to reduce the reliability of the wireless switches. There are no other known sources of interference.
The products use no batteries and include an integrated magnetic generator. They are designed with a 20+ year intended lifespan. They have a 5 year warranty.
Confirm the controller has power and the Status LED is Green (Output ON) or Red (Output OFF). Hold the MENU button until a click is heard – about 5 seconds. Buttons may be hidden under a sticker.
Click the top button of the switch 3 times. The status LED will pause GREEN for 3 seconds indicating that the switch ID has been added to the controller’s memory. If status LED pauses RED, the switch has been removed from memory; click the switch 3 more times to add it back.
Wait 30 seconds until clicking / blinking stops. Operate switch.
RunLessWire switches and controllers communicate using the 902MHz frequency. It will not interfere with Wifi (2.4GHz or 5.8GHz) or most other wireless devices.
Each unit is assigned a unique digital ID (one of 4 billion) and there cannot be cross talk, even though they transmit on the same frequency.
Watts = Amps x Voltage. So, for example, with the 5 amp RLW controller: 5A x 120V = 600 Available Watts
Email: support@RunLessWire.com
Phone: 866.600.2111
9am-5pm MST, M-F
The controller does not respond to the wireless switch:
1. Confirm the controller is wired correctly and functional:
-The status light on the controller should be illuminated. Green means the output should be ON, Red means the output should be OFF. No status light indicates that power is not on, wiring is incorrect, or Controller has been damaged.
-Press the “Select” or “Test” button to toggle the controller output. Subsequent presses will cycle between ON and OFF. If the status light changes color and the light doesn’t respond there may be a wiring problem. If the relay doesn’t click, the relay may be damaged from an overload condition.
2. Confirm the switch is functional:
-Click the switch and confirm that the controller status light flickers. Each time the switch transmits, whether it is linked or not, the status light should flicker briefly. If it does not flicker, either the switch isn’t transmitting or the controller isn’t receiving.
-Link the switch to the controller. Hold the “Menu” button for about 5 seconds until the controller clicks, then release. While the controller is clicking, press one button on the switch 3 times. The controller status light will pause GREEN when the switch is added to the controller memory. The status light will pause RED when the switch is removed from the memory. If this happened, click the switch 3 more times to add it to the memory. If clicking the switch doesn’t not link, the switch may be damaged. If a second switch is available and works, then the first switch can be confirmed defective. If not, contact RunLessWire for support and warranty service if applicable.