Product Description: ✔ Size: 33 * 25mm, each net weight: 20g.✔ Bicycle light set 6 lighting modes.✔ Fully recharge for 1 hour and run for over 3 hours (depending on lighting mode).✔ IPX5 waterproof performance.✔ Bicycle headlights and taillights use USB charging. The power supply is below 3.2V, the red light will flash and it will turn off automatically below 2.7V.✔ The LED lights up when the bicycle light is charged. It turns red and flashes slowly.✔ Press and hold the power button for one second to turn off the light and remember the last used mode. Fast and Convenient Charging (USB Rechargeable): Connect the other end of the cable to an active computer USB port connected to an AC adapter (sold separately) or a power outlet. Slow blink: charging Bright lighting: fully charged (about 1 hour) Save money and don't buy batteries anymore! Specification: Output: 0.5WSize: 33 * 26mmNet weight: 20GCharging current: 0.3APower supply: lithium battery Bike Headlight Brightness Description: When the light on the bike is charged, the white light will flash slowly, and when the battery is fully charged, the LED will turn white.Maximum brightness at full charge (3 hours), medium brightness (6 hours), low brightness (12 hours), flashing (10 hours), medium flashing (12 hours), high speed flashing (10 hours) More Secure Tips： Rear Bike light, a biker must have! Recent studies show that 40% of accidents happened from behind, and statistics show that there is no better way to improve traffic safety than using taillights. USB Rechargeable Taillight: Bike headlights and taillights are USB charging, make traveling more convenient.Waterproof design to keep you safe even in bad weather.It is drip-proof, so it can be used even if it gets wet in the rain.If it gets dirty, wipe it off with a wet blanket.With anti-vibration and anti-slip design, it will not easily fall on any shaking road.If you want to remove, remove the clip, easy to remove. ● Suitable for your cycling trip, can let others find you and avoid danger when riding ● Like to take a dog for a walk, and loving a puppy is like loving my child. ● Can be used as a helmet alert, take him with you on the road to make us safer. ● Can put the tail light in your backpack, which can make you safer when walking. New Model Super Bright 2000 Lumen Bicycle Lights Set Hot New Releases Mountain Bike Lights Set Front and Back Hot Sale Rechargeable Bike Lights Front and Back New Model 6 LED Bright Bicycle Lights Set New Bike Lights IPX5 Waterproof Cycling Lights Set 6 LED Bright Bicycle Lights Set Buying Options Buying Options Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.2 out of 5 stars 408 4.4 out of 5 stars 1,444 4.5 out of 5 stars 2,440 — 4.4 out of 5 stars 318 4.5 out of 5 stars 2,440 Waterproof Level IP65 IPX5 IPX5 IP65 IPX5 IPX5 White Light Mode 6 4 6 8 4 6 Red Light Mode 6 6 6 12 6 6 Brightness 2000 Lumen+ 50 Lumen 200 Lumen+ 50 Lumen 50 Lumen+ 50 Lumen 350 Lumen+ 150 Lumen 200 Lumen+ 50 Lumen 50 Lumen+ 50 Lumen Battery Capacity 3600mAh+540mAh 800mAh+540mAh 540mAh 1100mAh+350mAh 800mAh+540mAh 540mAh Max Working Time 36h+12hours 10h+12hours 12 hours 35h+33hours 10h+12hours 12 hours LED lights 4 SAMSUNG LH351B LEDs+14 ultra bright LEDs 2 SAMSUNG LH351B LEDs+14 ultra bright LEDs 12 ultra bright LEDs 3PCS SZ5-M3 and 3PCS 2835 LEDs+6 PCS 2835 LEDs and 18 PCS 3014 LEDs 2 SAMSUNG LH351B LEDs+14 ultra bright LEDs 12 ultra bright LEDs