NHX RC Super Bright Metal LED Light Bar with Complete Hardware. Specs: Voltage: 5V-8.4V 3 Mode of Lighting CH3 Channel Switch or Manual Click Switch(on PCB board) Size: 52*12*11.5mm Jr Receiver connecter, ready to plug into your receiver port. Fits: Good for 1/10 , 1/8, 1/5 , 1/6 , 1/7