USB male input, USB female output This is a receiver with its own USB male and female cable, which can be directly connected to the USB male connector of the power supply and the USB female connector of the device, eliminating the trouble of wiring. Wide voltage DC3.7V-12V can be used. Input DC3.7V-12V, output DC3.7V-12V, input DC5V, output DC5V, input DC12V, output DC12V Working voltage: DC3.7V-12V wide voltage (DC3.7V 4.5V 5V 6V 7.4V 9V 12V are all possible) Length: 225mm Working mode: MOS tube SCR silent and non-contact (control the on and off of the positive electrode VCC + ) Frequency: 433.92MHZ Standby & working current: 6mA Load capacity: 3A Weight: 20g Working Distance: 10-50m [Coding type]: learning Code, each set has independent code(1527) (if you need multiple sets with the same code must leave us massage) Code pairing method: The receiver has a learning function, can be equipped with a remote control or multiple remotes, and can be set for multiple sets of universa Color: Black & White Material: plastic Package Contents: 2 * Remote Control 1 * Cable Connector Only 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.