This is the Turnigy High Power Headlight System. It incorporates 2 high power super bright LEDs and reflectors. They are very efficient and only consume 0.5A. The lights can be turned on and off via a spare channel on your receiver. These lights are suitable for RC aircraft, cars or boats.Features:• Power is suppiled via the JST-XH balance connector of a 2S LiPoly battery• JST-XH balance connector input voltage range: 6.5V~8.4V DC• Can be turned on and off via a spare channel on your receiver/transmitter• Control voltage input from receiver: 5.0V DC MaxSpecs:LED housing diameter: 22mmLED Housing depth: 21mmJST-XH (2S) wire length: 180mmControl/receiver wire length: 300mmControl to LED wire lenght: 200mm