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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
install easier
If DC Convenience Open option is installed
This is an indoor unit and is not waterproof
white button
Linear ACT-21B - 1-Channel Block Coded Key Ring Transmitter (minimum 10) Doorking 1834 install easierCLICK 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
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