The light set is made of high quality aluminium alloy which is light weight, rain and shock proof. It is USB rechargeable (USB cable included). It includes a headlight and a tiallight. The white light is for front and the red one is for back.
The output brightness is 100 lumen, the LED's lifespan can reach 10000 hours. The LED can work for 3 hours in 100% brightness, 5hours and 15 minutes in 50%, 3 hours and 40 minutes in slow flashing mode and 5 hours in fast flashing.

• Size:1.57*1.57*1.18inches
• Material: aluminium alloy and plastic
• Integrated design with good sealing craft ensures excellent waterproof performance, allowing you cycling in any weather conditions.
• The Headlight and Taillight feature 4 modes: full brightness, half brightness, fast flashing and slow flashing, switches it as you need.
• Advanced silicone mounting strap. The strap is elastic enough to fit all kinds of bikes and can be mounted on any part of the bike.

Size:1.57*1.57*1.18inchesslaid