Specifications:This bicycle light kit can be used when ride a bicycle, hike, camp or do any outdoor activities, and can be used as an emergency flashlight.This lamp is very suitable for cycling at night or where visibility and safety are required.Both the headlight and taillight can be easily loosened and fixed without any tools.How to charge:1. Connect the micro USB data cable to the micro USB input port of the bicycle light.2. Plug the other end of the cable into the AC adapter (not included) connected to the wall outlet or the USB port of the active computer.3. When charging, the LED indicator of the front light has red light. After charging is completed, the LED indicator will turn green.4. When charging, the LED indicator of the tail light has red light. After the charging is completed, the LED indicator will not display.Item Name: Bicycle LightMaterial: ABSLamp Beads: T6Lumens: 300Front Light Capacity: 1800 mAh Battery (Included)Tail Light Capacity: 330 mAh Battery (Included)4 Light Mode Options:Front Light: 6.5 Hours (Full Brightness), 10 Hours (Half Brightness), 6.5 Hours (Slow Flashing), 12 Hours (Fast Flashing)Tail Lights: 9.5 Hours (Full Brightness), 16 Hours (Half Brightness), 10 Hours (Slow Flashing), 11 Hours (Fast Flashing)Features: Easy to Use, Durable, StableFront Light Size: 11cm x 4.3cm x 3.2cm/4.33" x 1.69" x 1.26" (Approx.)Tail Light Size: 6.9cm x 2cm/2.72" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Front Light (White Light)1 x Tail Light (Red Light)2 x USB Cables1 x Mounting Bracket With Headlight Screws1 x Tail Light Silicone Mounting Strap