Features: RC CH3 Controling flashing Mode Aluminum alloy, very durable and good quality Using receiver as power supply Suitable for 1/10 1/8 RC Rock Crawler Rally RC 4WD TAMIYA CC01 CR01 D90 AXIAL SCX10 Specification: Item Number: AX-513B The use of voltage: 4.8~6V Method of use: the power line is connected to the receiver third channel(CH3) Weight: 128g Package information: Package size: 16 * 11 * 4cm / 6.3 * 4.3 * 1.6in Package weight: 142g / 5oz Adhesive tape package Package list:RM4993B 1 * Roof Luggage Rack 2 * 15mm White LED Lights 2 * 22mm White LED Lights