The TX-E251 is a wireless door or window sensor. It has a high capacity CR2 lithium battery for an extended battery life. The sensor features two separate zones, zone 1 can be used for either of the two reed switches, and zone 2 can be used as an external contact option. The sensor is also equipped with a cover tamper switch for additional security and has maximum RF output power for long range applications.
Features:
- 10-year battery life (based on typical usage)
- Pre-installed CR2 battery with pull tab for quick and easy installation
- Maximum RF output power for superior range performance and longer-range applications
- Two reed switches for additional flexibility during installation
- Terminal block and EOL resistor included for N/C and N/O external contact applications
- Brown case cover and magnet covers included
- 3.25 x 1.13 x 0.88 inches
