Treehobby 18 LED RC Light Bar Roof LED Lamp Kit for Traxxas TRX-4 Axial SCX10 Tamiya HPI Losi HSP RC Crawler Truck-83mm / 3.27inch

Features: It must work with 3-Channel or above transmitter and receiver kit.If you use 2-Channel transmitter,it will not work correctly. If link it with receiver CH3, then use transmitter CH3 to control it. If link it with receiver CH4,then use transmitter CH4. Working voltage: 5V-7.4V; 4.8-7.2V, please don't supply above 7.4V,otherwise the light bar will be too hot.18pcs LED lights; Cable length:3.15" in. Don't link the RC light bar with the receiver when the transmitter turns ON.Don't link the RC LED light bar with the battery directly. Specification: Dimension: 85mm total long,the headlight length is only 80mm,compact structure Material: duarble hard plastic and metal LED quantity: 18 pieces Voltage: 4.8V-7.2V Color of light: bright white Weight: 30g Total length(with shell): approx.85mm / 3.35" Installation: Designed with smaller holes on light bar and bigger screws for tight fastening.Just use a screwdriver to push the screws hard into the holes Package includes: 1 x Mini Light Bar Roof Lamp Note: Don't link it with the battery directly! Kindly advice you to turn OFF transmitter and receiver when install the light bar Please don't supply above 7.4V,otherwise the light bar will be too hot