Feature: 1. Automatic Safety Relay: The remote relay adopts RF technology, and the learning code of the 433.92MHZ wireless transmission module has low repetition rate and relearning mode, with high safety. 2. High Sensitivity: The receiver module provides high signal sensitivity and super anti jamming, the remote control distance is long, the remote control range up to about 75ft/23m and the signal is stable. 3. Anti Interference: The wireless relay remote control adopts non directional wireless coding technology, which can be controlled independently without interfering with each other. 4. Wide Application: This universal 12V wireless relay remote control kit can be used for garage door, offroad vehicle winch, ship winch, etc., high performance and strong reliability. 5. Premium Material: Relay remote switch is made of upgraded premium ABS plastic, this remote control is wearproof, antiaging, high temperature resistant, not easy to break. Specification: Item Type: Wireless Relay Remote Control Material: ABS The Farthest Remote Control Distance: Approx. 75ft/23m Receiver Receiving Frequency: 433.92MHZ Remote Control Battery Type: 12V 27A Alkaline Zinc Manganese Battery x 1 (Built in ) Remote Control Battery Capacity: 30mah (Built in ) Applicable Type: Universal 12V wireless control kit, can be used for garage door offroad vehicle winch, ship winch, etc.. Package List: 1 x Remote Control1 x Relay 1 x Manual Note: The wireless remote control kit is not suitable for winches or cranes in industrial applications (commercial vehicle trucks or transport vehicles, wreckers, cranes) or any other application without a remote control application.