Model Number: ya-rd-1 Brand Name: Yong'an Key Specifications/Special Features: 1) Solar panel power: 2.5V 0.24W/0.3W2) Ni-MH battery: 1.2V 800mAh/1000mAh3) 6 LEDs, 3 on each side, colors available: yellow/red/customizing, luminance 6000-8000mcd, LED bulb lifespan 100,000hrs4) Visible distance: >500m5) Housing material: cast aluminum alloy and polycarbonate (solar panel cover)6) Withstand weight (max static load): 30 tons7) Auto-switch: turn on automatically at night (<500lux)2 Working modes: flashing, constant on8) Working temp. range: -20 to 70°C9) Waterproof rate: IP68