The COB bicycle light utilizes a XPG LED source, 45 lumens with three profiles dimming technology (High light-Low light-Flashing). Super bright headlight that satisfy your riding needs and keep you safe. 45 lumen bicycle front light, ensure safety riding at dark night. This COB light has special feature of 2 Red colour LED warning indicator. It is very useful in case on any emergency and lonely area where an emergency signal needs to be flashed. The COB bicycle light has built-in 1200mAh lithium polymer battery. It is rechargeable and with a USB cable. You can charge from your computer or any device with a USB port. It only takes 3 hours for full charge. Easy and hassle-free installation. This device comes with Mounting bracket that is retractable silicon rubber belt, suitable for the diameter of the handlebar approx 05 to 14 inch Dimensions - 60 x 40 MM :: Pack Contents - Super Bright COB Bicycle Light + 1 USB Charging Cable (BICYCLE_COB_001)