STI

Expand your STI driveway alarm system with an extra 4-Channel Receiver. Will monitor up to 4 different STI transmitters.

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 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 Sensor for Solar Driveway Monitor - Transmitter - Descriptions This additional sensor is for use with the STI-34100 or STI-34150 Wireless Driveway Monitors. It uses a patented magnetometer...

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 Wireless Door Switch Sensor - Descriptions Monitor multiple doors with the addition of the STI-34201 to your STI door chime system STI Wireless Door Switch Sensor - Specifications ...

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...

STI Wireless Driveway Monitor (battery powered) - Descriptions This Wireless Driveway Monitor sends a wireless signal to alert you when an unannounced vehicle enters your driveway. The receiver...

STI Wireless Driveway Monitor (solar powered) - Descriptions This solar powered Wireless Driveway Monitor detects when a vehicle enters or leaves your driveway. It uses a patented solar powered...

The STI-V34100 is a Solar Powered Wireless Driveway Alarm. It detects when a vehicle enters or leaves your driveway using a patented solar powered magnetometer vehicle sensor. When a car or truck is...