Relay maximum load 10A Using radio frequency technology, it can penetrate obstructed walls, floors and doors. Using radio frequency technology to control the receiver, the maximum remote control range can reach 100M/328FT (barrier-free). Perfect for remote control pendant lamps, crystal lamps, modern low voltage lamps, ceiling lamps, fluorescent lamps, fluorescent lamps, energy saving lamps, exhaust fans, LED lamps, motors, remote controls, wireless security alarms, security industry, etc. Installation is quick and easy, unobstructed by walls and to connect any load. The remote control and switch can be used at the same time, which is convenient and flexible. Comes with 2 remotes, one can be mounted on the base of the board (fixed with double-sided tape on the back). The other acts as a portable remote, allowing you to place it anywhere. Technical indicators: Voltage: DC5V-DC48V Maximum load: 10A Working distance: 100m Operating frequency: 433MHz Colour: black Material: plastic + metal Package Contents: 2 * Remote controls 1 * Receiver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.