Linear ACT-21B - 1-Channel Block Coded Key Ring Transmitter (minimum 10) Doorking 1834 Diablo DML-9LP-75 Probe Kit including

Diablo DML-9LP-75 Probe Kit including 75 foot probe and detector

This is an indoor unit and is not waterproof

20 feet of nickel plated chain and a no weld chain kit are standard and help for easy installation

making them ideal for heavy continuous cycle gates

white button

Linear ACT-21B - 1-Channel Block Coded Key Ring Transmitter (minimum 10) Doorking 1834 Diablo DML-9LP-75 Probe Kit includingCLICK HERE FOR MANUAL Linear ACT 21B 1 Channel Block Coded Key Ring Transmitter ***Sold in multiples of 10 only*** The Linear ACT 21B 1 Channel Block Coded Key Ring Transmitter is designed for use with Linears access control products. The Linear ACT 21B is a single channel device supplied with a quick disconnect key ring. Also included are lithium batteries with a five year service life. A unique 10 second timeout feature prevents the system from