Waterproof night riding warning light $ 10.78 INFORMATION: High strength aluminum alloy material. Automatically turn on / off based on light Intensity and motion. Switch automatically to standby mode to save energy. Six flash modes. 54 hours of eco flash. - Rechargeable Li-ion 350mAh battery. Brightness 20-60 lumens. 500m irradiation length, wide angle 220 degrees. IPx6 Waterproof.
