Linear ACT-31B Key Chain Transmitter (1 Channel)

Compatible with all Linear(R) access receivers & controllers; Quick-disconnect key ring; Factory programmed MegaCode format supports more than 1 million codes; Includes two 2016-type lithium batteries; Operating freq: 318MHz; 1 channel;

Length: 4.00″
Width: 2.75″
Height: 0.60″