ITEM NAME:6CH 2.4G Remote Controller Kit DC 6V-15V Wireless Transmitter Receiver RadioS1B3 6CH 2.4G Remote Controller Kit DC 6V-15V Wireless Transmitter Receiver RadioS1B3 Specificaiton:Remote controller working voltage:DC 3V 1.2A receiver board working input voltage:DC 3.6V-6V 5A receiver board working input voltage:DC 6V-15V This kit very good, it can control 3 pcs high power motor, it good for tank ,ship, car. Color:black Material:plastic Size:1.2A receiver board size:55*33mm;5A receiver board size:55*36.5mm Package Contents: 1* remote control 1* 5A receiver 1* screwdriver 1* set of connecting cables.Size:1.2A receiver board size:55 33mm;5A receiver board size:55 36.5mm. 1 5A receiver.