RC SWITCH: Relay remote control switch is a learning code remote control switch(receiver). It is easy to match the transmitter(remote control), relay remote control for computer mainframeLONG DISTANCE RECEPTION: Strong which can pass through walls, floors and doors, control receiver from any place within a distance, very convenience to usePRODUCT FEATURE: The volume is small and the performance is stable and for reliable, high receive sensitivity, covers application ranging from like auto door , window, lifting equipment, entrance access, etcWorking Voltage:DC4V 12V(DC4V 4.5V 5V 6V 7.4V 9V 12V)Standby Current:7 9mAWorking Current:70 130mARelay Standard:20A(14VDC 12A 120VAC 7A)Load:10A (better load is less than 7A)Learning Code: Learning Button to add TransmitterWorking Mode: Momentary Toggle adjusted by JumperCompatible: For computer mainframeColor:Black & WhiteMaterial:plasticPackage Contents:1 x Receiver2 x Remote ControlOnly the above package content, other products are not included.Note: Light reflection 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.