Description:Interior LED Bar Lighting: bright and energy-saving, offers high brightness of space and can be used as emergency lights, camp lights and maintenance lights, etc. 180° Rotation: 180° rotation angle adjustable, you can adjust the lighting angle of the lamp according to your needs. Easy to Use: On/Off switch, easy lighting control, convenient interior and exterior light. Application: suitable for most 12V-24V DC vehicles, such as enclosed cargo trailers, cars, trucks, rv, vans, trucks, RVs, boats, etc. Installation: easy to install, the red wire is connected to the positive power pole, and the black wire is connected to the negative power pole. Specification:Product Size: (Optional)Short: 22.6cm x 3.3cm x 3.5cm/8.90 inch x1.30 inch x1.38 inch, 150LM Lengths: 47.5cm x 3.3cm x 3.5cm/18.70 inch x1.30 inch x1.38 inch, 500LM Battery: MetalPackage Included:1 Light Bar 4 ScrewsNote:Please allow slight errors due to manual measurement and different monitors.