Our bicycle lights have 1100mAh(headlight) and 350mAh(taillight) inbuilt rechargeable battery and last 4-35Hrs long runtime. Multiple lighting modes can be single use or freely combined, serve your different preferences. Also have memory mode, automatically restore last light mode you choose when turn on. Bright enough to attach the passerby and drivers\' attention, our bike lights ensure your safe riding. IP65 waterproof, anti-drop and -4°F-140°F temperature endurance extend our bicycle lights’ lifespan. A perfect light for cycling, hiking, camping, etc.. Up To 35Hrs Runtime: Our bicycle headlight has 1100mAh rechargeable lithium battery inbuilt, and the taillight’s is 350mAh. The headlight is capable to run up to 35H in low beam, while taillight is 33H. Guarantee you daylong outdoor riding. Long time to run but short time to charge. Multiple Lighting Modes: Due to two independent light controls, our bicycle light provides single and combined light modes. The highlight mode illuminates your dark path at night, and warn mode draws the attention of passerby and driver. No need to worry about night riding safety. Multiple modes easily meet your different needs. IP65 Waterproof Outdoor Bike Light: Well sealed light, -4°F-140°F, high impact resistance and IP65 waterproof performance, freely use in outdoor harsh weather like raining, fog, etc., and ensure you long lasting lifespan. Enjoy your riding no matter how hard condition is. Multiple Uses: Bike lights are suitable for multiple scenarios, like cycling, hiking, camping, even as an emergency flashlight during outdoor activities. The lights will memorize the last mode used and no need to frequently switch the modes you prefer. Take it with your next adventure! Easy Installation: Without any tools, our bike lights can be installed even by children in seconds. The lights can be fixed in horizontal or vertical ways accordingly. 3 simple steps offer long runtime. Friendly Reminder： Single press to switch/turn on the lighting mode Press 2s to turn off the light (will also be turned off by default after switching all modes). Double press the power button will touch off "Burst Flashing" mode of the head light. Brand: LakeForest Product Type: Bike Lights Material: PC, Silicone Lighting Color: White Lighting (Head Light); Red Lighting (Rear Light) Bead Quantity of Headlight: 3Pcs Round Light(High Beam) 3Pcs Rectangular Light(Low Beam) Bead Quantity of Tail Light: 6Pcs Central Lights 18Pcs Side Frame Lights Head Light White Lighting Modes: 8 Single Lighting Modes 16 Combination Modes of High and Low Beam Tail Light Red Lighting Modes: 6 Side Frame Lighting Modes [High/Medium/Dim Brightness Constant On; Slow Fade; Slow Strobe; Quick Flash]; 6 Central Lighting Modes: [High/Medium/Dim Brightness Constant On; Slow Fade; Slow Strobe; Quick Flash]; 36 Combination Modes of Side Frame Lights & Central Lights Head Light High Beam Runtime: 4H(High), 8H(Medium), 16H(Low), 12H(Flash) Head Light Low Beam Runtime: 6H(High), 10H(Medium), 23H(Low), 35H(Flash) Waterproof: IP65 Withstand Temperature: -20℃-60℃/-4℉-140℉ Head Light Battery Powered:1100mAh Rechargeable Lithium Battery Inbuilt Tail Light Battery Powered:350mAh Rechargeable Lithium Battery Inbuilt Tail Light Main Light & Floodlight Runtime: 4H(High), 8H(Mid), 16H(Low), 33H(Warn), 15H (Slow&Fast Flash) Fully Charged Time:2.5H(Head Light), 1.5H(Tail Light) Handle Bar Strap Diameter: φ1.18in Strap Length: 9cm/3.5in Type-C Charging Cable Length:36cm/14.2in Item Size:5x3.7x3cm/1.9x1.4x1.1in Item Weight: 54g/0.12lbs(Head Light); 41g/0.1lbs(Tail Light) Package Size:13x9x3.5cm/5.11x3.54x1.37in Package Weight: 155g/0.34lbs 1x Head Light 1x Tail Light 2x Silicone Straps 1x Type-C Charging Cable 1x User Manual