REMARKABLY ILLUMINATION: High Brightness, 2 light modes (white & red), built-in 4pcs premium chip for quality performance, durable compact aluminum housing for excellent heat dissipation and waterproof, working voltage: 9V~30V (fits 12V/24V vehicles), lower power consumption, longer lifespan LIGHT EFFECT: As an additional lighting, the interior dome light is available in 2 color options, white and red, that meet your different driving demands. The white light is for lighting up your cabin of your cab, while the red is for warning and vision protection. Emitting more brighter white light and soft but not harsh red light to illuminate your truck. EASILY INSTALL AND REMOVE: The universal LED dome light is available in an adjustable Velcro strap and two types of rubber mounting pads. You can choose different methods to mount the dome light, depending on your needs. Such as, using the flat and curved mounting pads on the flat and curved place respectively, or using the Velcro strap on