STI

Rex II, the electronic watchdog alarm, never needs sleep, a walk, food or water, yet is always on duty guarding and protecting. In addition to the choice of a ferocious dog(s), Rex II also offers a...

STI Transmitter Repeater - Descriptions This device extends the range of the STI receivers up to an additional 1000 feet with no programming required. STI Transmitter Repeater -...

STI Battery-Powered Wireless Driveway Monitor Sensor - Transmitter - Descriptions This additional transmitter is for use with the STI-34150 battery operated Wireless Driveway Monitor. It uses a...

STI Door Switch - Descriptions This door switch is triggered when the door to your home, mailbox, or even fridge! is opened. The sensor sends a wireless radio signal to the indoor receiver...

STIV34104 4 Channel Receiver with Voice Alerts The STI-V34104 wireless receiver with voice alerts is an additional receiver that is also compatible with older STI-34104 systems. The receiver can play...