FEATURES – AUTO SNAP MARKER LIGHT Trucks Rooftop Marker Lights Replacement for Most Trucks' OEM Cab Roof Lamps or Fresh New Add-on for the Roof Top Decoration. DOT SAE Approved HIGH INTENSITY LED CHIPS - Built with 5 Pieces Super Bright Yellow LED Lights Inside with Smoked Lens. ENHANCE VISIBILITY - Improve Safety Performance When Driving at Night. It Great in the Foggy Days, or Even During Rain or Snow ext,. WHATERPROOF - Designed to Withstand Harsh Weather Conditions can Survive Intense Sustained Heavy Rain and Wind Even. Moisture and Vibration Resistant. EASY INSTALLATION - Drilling May Required for Installation, Soft Pads Built-on, Protects Mounting Surface Prevents Water/Moisture Intrusion. Fit for Fast Feet or Curved Roofs.