Products can be used in homes, farms, factories, offices, laboratories, supermarkets and so on Remote control Electric curtain / Water pump / Fan / Lamp / LED light / bulb / ventilation device / Signal transmission Remote control humidifiers, microwaves, coffee machines Remote control Taking Care for the elderly, children Multi switches Control One/Multi Lights Receiver in the meanwhile Avoid Darkness and Save Energ Set the remote control at different locations to quickly turn on or off the lights. Turn the lights on in advance to avoid darkness, Turn off the lights after leaving, save energy. More convenient remote control When you wake up at anytime, the wall panel switch is more convenient.and it will not distrube babies and other family members. Multiple control 2 Operating Modes Remote mode 1: Momentary Mode( Press the learning button once) Press and hold on one button--The light turn ON; Release the button--The light turnOFF Remote mode 2: Toggle Mode ( Press the learning button twice) Press one button--The light turn ON; Press the same button again--The light turn OFF Colour:As shown Material:PC+metal Package Contents: 1 Set x Relay 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.