12 Transmitters Remote Control a 12 Channel Wireless Switch (Model: 0020192) Choose Antenna For Receiver::Magnetic Mount Sucker Antenna With 1.5 Meter Cable When use the manual switch

When use the manual switch to connect the terminals "K1" and "G"

so it has ultra-long working distance

5) Connect the another side of AC lamp to terminal "C" of the receiver

and you want to use a linear actuator to open this door

12 Transmitters Remote Control a 12 Channel Wireless Switch (Model: 0020192) Choose Antenna For Receiver::Magnetic Mount Sucker Antenna With 1.5 Meter Cable When use the manual switchThis remote control switch kit is 12 single button transmitters long range control a 12 channel DC 9V 12V 24V wireless receiver. Application: This kit may be used in all types of industry automation, agriculture, home, factory, house, farm, vehicle, ship, offshore operations, etc. It can long distance remote control DC and AC equipments on land, water and air, such as long range remote control lights, lamp, sirens, locks, motors, pumps, fans, winches,