Compatible with Traxxas TRX4 Slash Axial SCX10 90046 D90 RC4WD 1/10 RC Rock Crawler Monster and other brand RC Short-Course Truck Easy to install and durable,makes your RC crawler more cool and attractive. Great for running at night or in low light areas. Can be directly powered by the receiver, for convenient to operate. Led Shade Diameter22mm Working Voltage: 4.8V-7V Material: Metal LED Color: White Package Includes: 1 x 6Led RC Car Roof Light,White Tips: 1.If you need to powered by TRX ESC(The JST Plug),you may need the "ShareGoo JR to JST Cable" 2.If you need to control the led by transmitter which has the 3CH button,you may need the "ShareGoo CH3 LED Light Lamp Control Panel"