Door GUARDIAN® 135/135DE Non-ID Resident Transmitter with Strap (for use with 13.56 MHz MHz systems)

Waterproof resident transmitter designed for use with Secure Care Products Door GUARDIAN® systems (13.56 MHz frequency) is provided with 1 strap.
Light weight with curved surface for more comfortable fit.
Active transmitter at all times for continuous monitoring and protection.
Engineered for 12 months of continual usage (all transmitters engraved with expiration date).