The TX26-S7E4 by CDVI is a hand-held transmitter with 4 transmission channels. It is ideal for attaching to keyrings and lanyards. Transmission solutions are ideal for automation projects in residential, commercial, and industrial settings. Whether it’s a driveway gate or a shop-front roller shutter, transmitters and receivers make life easier. This stylish hand-held transmitter is ideal for attaching to key-rings and can trigger four different circuits from its four separate buttons. Hand-held transmitter 4 channels - trigger four different automation circuits Ideal for automatic gates, doors, and lights Up to 250m read range in open field Also available with a built-in proximity tag - see TX26-S7E4-ERP Transmissions protected by KeeLoq rolling code