Availability: In stock.
The TD-20U is a long range indoor and outdoor transmitter from Optex which is highly compatible with the TR-20U repeater, the RC-20U chime box w/ relay, and any 1000 series wireless receiver. The TD-20U transmitter comes with a 17ft selectable fan pattern, a 50ft long range distance, an LED indicator for low battery status, and verifying detection, as well as a supervised low battery, and over 8 million codes possible for eliminating interference from neighbors. The TD-20U transmitter also features a weatherproof structure, multiple mounting options, a passive infrared detection method, plus a compact and lightweight design. This professional transmitter is user friendly, and comes effortless to setup for any operator for fast operation.