OLIGHT Model RN120C LED Bicycle Tail Light IPX6 Auto Brightness

[Photosensitive & Motion Sensor] This product is equipped with a photosensitive sensor and a motion sensor to intelligently adjust brightness and lighting mode. In the smart setting, the highly sensitive infrared sensor automatically adjusts brightness according to ambient lighting conditions. The motion sensor automatically turns on the light at 120 lumens for 3 seconds when braking, alerting vehicles behind you and ensuring safety. [Five Lighting Modes] The light has five lighting modes (normal low, normal high, flashing, energy-saving, and smart), with a maximum output of 120 lumens and a maximum visible distance of 1500 meters, improving visibility during nighttime driving. Simply click to switch between lighting modes. [Easy Installation & USB-C Charging] Equipped with a mounting strap, saddle mount, and tie band, the tail light can be attached to seat tubes and cushions with a diameter of 22-33mm without tools. It also supports USB-C charging, and can be fully charged in about an hour. When it's off, clicking the switch will display the remaining battery level. [260° Visibility] The translucent shell design provides 260° of visibility, improving nighttime visibility, not only for vehicles behind you but also for those beside you. Driving safety is greatly improved. [IPX6 Waterproof & 1m Impact Resistant] This product meets the IPX6 waterproof standard, so you don't have to worry about damage caused by wind and rain during use. It has also passed a 1-meter drop test, making it shock-resistant. It's perfect for road cycling, urban riding, and everyday commuting. Specifications: Maximum Output: 120 lumens; Maximum Runtime: 20 hours; Maximum Range: 19.5 meters; Beam Angle: 260°; Size: 30*34*32mm; Weight: 26g; Temperature Range: -20°-40°; Voltage Range: 3.0-4.2V; Quiescent Current: 60UA; Battery: Polymer battery (built-in); Waterproof Level: IPX6; Charging Cable: Micro USB Cable; Charging Time: 1 hour; Maximum Power: 5.5W; Charging Indicator: Red flashing: Charging; Green: Fully charged (light cannot be used at this time)