1/10 RC Car Police Flash Bright LED Light 5 Modes CH3 360 Degrees Rotation Aluminum AX-510B Blue Blue for ambulance car Working voltage: 4.8-6V Dimension: 13x18 mm Use the remote control CH3 control lights flashing mode. 5 Flashing Modes: Normal rotation, Fast rotation, Slow rotation, flash, Fast flash. Material: Aluminum, very light weight and durable.