LINEAR ACT-31B KEYCHAIN TRANSM
Linear PRO Access ACT-31B KeyChain Remote Control with Key Ring
The Model ACT-31B 1 Channel Block Coded Key Ring Transmitter is designed for use with Linears access control products. The Model ACT-31B 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 time out feature prevents the system from being shut down by a single transmitter transmitting continuously.