Description: Working voltage 5V, each output maximum drive power of 800W or less, can drive most of the home-type small appliances and electrical appliances; To achieve wireless control of home appliances switch and weak control of strong power function; Replace the trouble of manual switch, wide application of products, 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 Used in the field of electronic equipment such as home appliance switch, lamp switch, motor control, small pump control, wireless control product switch, intelligent switch Specification:Material: Metal, Plastic, Electric Parts Color: Multi-color Size: Approx. 62x53x22mm/2.44x2.09x0.87inch Operating voltage: 4.5-5.5V (input) VCC: Connect the power supply positive GND: Connect the power supply negative Working current: about 220mA (relay pull state) Static operating current: 8mA or so (relay release state) Module type: 4-way 5V 433M Learning-type wireless control 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 4 Key Remote Control Switch Note: Pls allow an error of 1-3mm due to the difference of manual measurement. Interlock function: power off state, hold down the receiver board above learning button; and then power, learning indicator D6 flash 1, release the button, this time set to interlock output. Self-locking function: power off state, press and hold the receiver board above learning button; and then power, learning indicator D6 flash 2, release the button, this time set to self-locking output. Jog function: power off state, press and hold the receiver board above learning button; and then power, learning indicator D6 flash 3, the release button, this time set to interlock output.