The Inovonics single-button belt clip pendant transmitter features a rugged design with simple, single-button activation. It comes with a belt clip or it can easily be mounted for fixed position signaling. To increase reliability, the EN1235S automatically supervises the radio link, and an LED flashes with all transmissions. Add a new notch to your belt! This pendant clips easily to any belt and includes an LED light that flashes after each transmission. With a rugged design and single-button activation, its no wonder this is one of the industrys best transmitters. Also known as -INOVONICS EN1235S BELTCLIP TRANS. SGL. BUTTON