Super Brightness: The universal LED roll bar mount light has high-quality LED chips,2500LM ,25W, 6000K bright white light. If you find that your interior light is not enough,you want more light for night time and for dark areas,the dome Interior Light will solve your problem.No Wiring & Drilling Required: 2 type of installation.1-Use the detachable velcro strap to mount on any square or round bar within 4 inch diameter.2-Use the magnetic back-up attached to all steel surfaces.High Performance: IP68 Waterproof & Rust-Proof & Dust-Proof & Shockproof .Life up 50000 hours.The roll bar mount LED light powered by 3 AAA batteries (not included).Wide Application: Universal interior car light can be a portable led light, mapping light,reading light, work light,engine bay led light ,truck bed light, etc.Very suitable for interior and exterior lighting or decoration of most vehicles.Install on many locations, such as roll bar,roll cage,sun visor,top bar,above your head, back rail of the cab, unde