Door/Window Contact Sensor-433 MHz
- Easy and Instant DIY Installation
- Completely Wireless
- Tamperproof Design
- Easily add to security system at any time
- Communicates with base unit up to 500’ away
- Optional Chime Mode
This wireless indoor sensor will protect any door or window opening. DIY installation is easy and instant with included damage free 3M dual lock adhesive. You can easily add Door/Window Sensors to your tattletale security system at any time. With optional Chime Mode you be notified of door/windows opening and closing while the system is disarmed by a pleasant chime sound. The Home Door/Window Sensor can protect any door or window up to 500’ from the base tattletale unit!