About this item FITMENT Headlights Assembly Compatible with 2016 2017 2018 Nissan Altima. Not Compatible with LED DRL Headlight Models. Not Compatible with HID / Xenon Headlight Models. Bulbs are not included. High beam bulb type: H9; Low beam bulb type: H11. WATERPROOF Meets SAE & DOT Standards. Fully sealed with solid silicone and designed with one-way vents to keep moisture from trapping inside the case, no need to worry about corrosion or moisture in all weather conditions IMPACT-RESISTANT & TOUGH Constructed with durable polycarbonate lenses that provide excellent protection from road debris abuse and the impact of branches on the trail, the high-impact shell also better withstands the shock and vibration of off-road adventures BRIGHTER LIGHTING & SAFETY REFLECTOR Metal parabolic reflectors provide more light output for wider, smoother beams. Side microprism reflectors let oncoming vehicles or passersby quickly notice you at night, keeping you and others safe while driving DIRECT REPLACEMENT Plug-n-play installation. Direct Bolt-On OE Fitment or Replacement for the Stock Unit; Requires No Modification or Drilling. Installation instruction is not included. Professional installation would be highly recommended. Comes with Driver (Left) and Passenger (Right) side