The UTC TX-6010-01-1 is a wireless, photoelectric smoke detector with 319.5 Mhz Crystal Transmitter. The device features and integrated fixed temperature or rate-of-rise heat sensor for added security. Batteries are included. Self-diagnostics ensure the detector is always functioning properly. Photoelectric technology provides consistently reliable performance. THe device is built with a replaceable optical chamber for easy maintenance. The TX-6010-01-1 also boasts automatic drift compensation, a low battery annunciation, status/sensitivity reading LED, mounting base tamper, and an integrated fixed temperature/ROR heat sensor. This wireless smoke detector works with selected GE Security control panels,makes the perfect fire/life safety add-on to a mointered security system.