Description: Working voltage 11-12.5V, each output maximum drive power of 800W or less, can drive most of the small household appliances and electrical appliances; To achieve wireless control of home appliances switch and weak control of strong power function; To replace the manual switch trouble, product applications wide , Wiring is simple and convenient; Receiving distance, you can wear walls, remote control can own welding code, coding can achieve one-on-one control, you can also achieve one-to-many control Suitable for home appliances switch, lamp switch, motor control, small pump control, wireless control product switch, intelligent switch and other electronic equipment Specification: Material: FR-4 Epoxy Glass Fiberboard Color: Multi-color Size: Approx. 62x53x22mm/2.44x2.09x0.87inch Operating voltage: 11-12.5V (input) VCC: Connect the power supply positive GND: Connect the power supply negative Working current: about 140mA (relay pull-in state) Static operating current: 8mA or so (relay release state) Module type: 4 Road 12V 433M Learning type wireless switch module (4 way can learn independently) Receiving distance: between 30-1000 meters (through the wall) Working mode: self-locking, jogging, interlocking three working modules customer free set Work instructions: D5 (power indicator), D1-D4 (relay switch indicator), D6 (learning indicator) Output mode: the output is a passive output, the module is mainly used as a switch; often open, for the common, often closed (Note: normally closed and common normal state is connected, do the switch is often closed With both open and common interfaces) Package Includes: 1 piece Relay Module Board 1 piece Remote Control Switch Note: After powering on, press and hold the learning button above the receiver, the learning indicator D6 flash 1, and then release the button, then hold down the need to learn the remote control button A, learning indicator D6 flash 2 does not flash, (B button); when the flash 3 release, you can learn the third way (C button); when you press the learning button, learning light flash D6 flash 2 release, you can learn the second way (B button) When the flash 4 release, you can learn the fourth way (D button) Pls allow an error of 1-3mm due to the difference of manual measurement.