Wonderpark New 12v 4 Channel Wireless Remote Control Receiver Momentary Switch Applies to: remote control electric doors, windows, switches, door control LED lamps, motors, circuit security and other industrial lighting remote areas or remote on-off control. The wireless signal can pass through walls, floors and doors It uses fixed coding, stable and reliable Receiver Sensitivity: -100dBm, The output way is adjusted between Jog/inter-lock /self-lock