OLIGHT RN120 C Bicycle Tail Light Charging Port Rear Light Cycle Light Automatic Brightness Adjustment LED 120 Lumens IPX6 Waterproof Safety Light

[Photosensitive & Motion Sensor] This product is equipped with a photosensitive sensor and a motion sensor to smartly adjust the brightness and lighting mode. With smart settings, a highly sensitive infrared sensor automatically adjusts the brightness according to the surrounding lighting conditions. When the brakes are applied, the motion sensor automatically lights up at 120 lumens for 3 seconds to alert the vehicles behind you and protect your safety. [5 lighting modes] There are 5 lighting modes (normal lighting low mode, normal lighting high mode, flash mode, energy saving mode, smart mode), the maximum output is 120 lumens, the maximum visible distance is 1500 meters, and the visibility when driving at night is improved. Easy to operate, click to switch lighting modes [Easy to Install & USB-C Charging] Equipped with a mounting strap, saddle mount and tie band, you can attach the taillight 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 off, click the switch to show battery level [260° visibility range] The translucent shell design provides 260° wide visibility. Increases visibility while driving at night, increasing visibility not only to the rear but also to the cars on the side. Driving safety is greatly improved [IPX6 Waterproof & 1m Shockproof] This product has reached the IPX6 waterproof standard, so you don't have to worry about it breaking down due to wind and rain during use. It has also passed a drop test from a height of 1 meter and has impact resistance. Widely useful for road cycling, city riding, and daily commuting Specifications: Maximum output: 120 lumens; Maximum runtime; 20h Maximum firing range: 19.5 meters; Irradiation 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: 1h; Maximum power: 5.5W; Charging indicator: Red flashing: Charging; Green: Fully charged (light cannot be used at this time)