The WST-200 from Ecolink is a Wireless Surface Mount Door/Window Sensor compatible with 433 MHz receivers. It comes in white and included is a optional brown cover.
Features:
- Compatible with 433 MHz Wireless Protocol
- Thin Design, Strong Rare Earth Magnet (0.625 gap)
- Snap-On Interchangeable Brown Cover included
- 5-Year Battery Life, CR2032 Replaceable Lithium Battery
- Operating Temperature: 32°-120°F (0°-49°C)
- Operating Humidity: 5-95% RH Non-Condensing
- Sensor Dimensions: (WxHxD) 2.25 x 1 x 0.25 inches
- Magnet Dimensions: (WxHxD) 1.37 x 0.5 x 0.25 inches
- FCC and IC Approved