Easy to install and easy to carry. With a slidable cover on the remote control. With a hook on the remote control Use Learning coding, stable and reliable Learning and Remove Method: 1. Press the learning code. The indicator from on to off, loosen your finger, press any button of the remote control, the indicator flash 2 times and off. It mean you learn it successfully The wireless signal can pass through walls, floors and doors. You can turn on or turn off the receiver with transmitter (remote control) from any place within a reliable distance 2. It can learn more than 12 PCS 2262 or 1527 chip with the different code wireless remote control. 3. Remove/ Clean: Press the learning button about 8 seconds, the indicator turn on to off, it means the information that you keep have been removed successfully, Weight: 0.76720867176 pounds, Manufacturer: Hfgdnchva