ITEM NAME:RC LED Light Bar Kit for 1/10 Scale Rock Crawler Truck Traxxas Trx-4 TRX4 A L3U9 RC LED Light Bar Kit for 1/10 Scale Rock Crawler Truck Traxxas Trx-4 TRX4 A L3U9 Item: RC Roof Luggage LED Light Bar Kit 4 Leds Voltage: 4.8-6V Screws Mount Hole-Hole Distance: 93mm Instructions: the power line is connected to the receiver third channel(CH3) Compatible with: 1/10 Scale Rock Crawler Truck Traxxas Trx-4 TRX4 Axial SCX10 RC4WD D90 HSP RGT Use: Vehicles and Remote Control Toys Upgrade Parts/Accessories: Frame Four-wheel Drive Attributes: Assemblage Tool Supplies: Assembled class For Vehicle Type: Cars colour:black Material:Metal + plastic size:15cm Package Contents: 1 * RC LED Light Bar 6 * receiving line 1 * screw set.Compatible with: 1/10 Scale Rock Crawler Truck Traxxas Trx-4 TRX4 Axial SCX10 RC4WD D90 HSP RGT. Item: RC Roof Luggage LED Light Bar Kit. 1 RC LED Light Bar. Instructions: the power line is connected to the receiver third channel(CH3).