[Design] RF wireless remote control switch. Stable and reliable performance, receiving sensitivity (≤10dbm). Strong signal can pass through walls, floors and doors. It can pass through walls, floors and doors to reliably control the receiver from anywhere.[Easy to use]: Very easy to set up and reset. 3 working modes (instantaneous / switched / latched) can be selected. You can easily set it according to your needs. The working mode of the product is adjustable. This item is configured in latched mode. The on button opens and the off button closes.[Wide application] The products can be used in home, farm, factory, office, laboratory, supermarket, etc. You can remotely operate each device connected to the relay receiver through the remote control. Such as lights, pumps, wireless security alarms, fans, lights, ventilation units, displays, printers, fountains and other electrical equipment.[more flexible] very easy to set up and reset. You can easily add more wireless switches as needed.