3.7v to 15V power supply is universal, the same power output. Can control the power supply of 3.7V to 15V; realize the remote control switch function, the load capacity can reach 30 . What is the input voltage of the product, the remote control is turned on, and the output is the same voltage output. The product is powered off by default. Such as: The power supply is connected to a 5V power supply, the remote control is turned on, and the output is 5V. The power supply is connected to a 12V power supply, the remote control is turned on, and the output is 12V. Controller indicator Click the "ON" button of the remote control, the indicator light is on, and the output is powered on. Click the "OFF" button of the remote control, the indicator light goes out, and the output end is powered off. [Connector model]: DC 5.5mmx2.1mm [Module output]: MOS tube has no contact output and no sound (control positive electrode) [Product Frequency]: RF signal 433MHZ [Module power consumption]: Standby about 6mA, on state about 6mA [Load capacity]: 3A current up to 30 . [Coverage distance]: about 30 [Coding type]: learning type, each coding Shipped by default, each set is independently coded and will not control each other. The receiver has a learning function, can be used to configure multiple sets of universal, and add a remote control. DC female: DC female: power input Input range: 3.7V to 15V power supply Colour: black Material: plastic Size: Length: 210mm Package Contents: 1 * Receiver 1 * Remote control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.