[Strong Magnetic Base] No wiring or assembly is required for installation. Strong magnetic base securely attaches to any metal surface, including moving or vibrating equipment. [Solar-Powered Charging] Powered by solar energy, these solar flashing lights charge automatically during the day and turn on automatically at night (light operates only at night and does not have a switch). [High Brightness] Features high-brightness LED beads and an excellent light transmittance lampshade. In complete darkness, the visible range reaches up to 500 meters (0.3 miles). [IP54 Waterproof] With an IP54 rating, the solar flashing lights are resistant to various weather conditions, including fog, rainstorms, blizzards, and intense daytime heat. [Wide Application] This solar safety light can be installed on guardrails, construction sites, mailboxes, driveways, vehicles, or any location requiring a warning signal. Color: Yellow Material: Plastic Package Contents: 4 x Outdoor Safety Lights Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.