The Vision X sealed beam housing is a direct replacement for your worn?ÿ5x7" halogen headlights. Unlike other halogen headlight housings that use plastic lenses, this kit features borosilicate glass lens to help protect against the road and complies with DOT certifications. Bring your vehicle back to its new OEM condition with our halogen sealed beam housing kit. Bolt On Plug-n-Play Installation Hardened Borosilicate Glass Lens Takes H4 size bulb (Not Included) DOT Compliant Item: VX-57 Specifications Product LxWxH 5.00x 7.00x 4.50 Input Voltage 12V DC