STI will be closed on Monday, September 7th. Normal business hours will resume the following day.
STI will be closed on Monday, September 7th. Normal business hours will resume the following day.

Monitor up to 4 or 8 wireless devices and know what occurs in or around the home/building extra wireless accessories. When a monitored site is activated, the transmitters send a wireless signal to an STI receiver (not included). Most transmitters operate up to 300 m (line of sight).