Features1Aluminum alloy + engineering plastic material, endurance capacity of up to 4 hours, matching with power bank for longer endurance time. 2Adopt high-brightness LED 4-level emergency flash. When fully charged via USB, the continuous discharge time is about 4 hours. The brightness is 100lm, and the lamp life is about 10,000 hours. 3USB charging light, built-in 650mAh rechargeable lithium battery, no need to replace the battery for each lamp. 4The front light and taillight are with 4 modes: full brightness, half brightness, fast flashing and slow flashing, which can be switched as needed. 5Advanced silicone mounting belt with sufficient flexibility to fit anywhere on the bike. 6Easy installation. The belt is easy to loosen and fasten without tools. 7The front light guide the direction for safe driving, and no worry about being knocked down by others with the taillights.SpecificationItem Type: Bicycle LightModel: HJ-030Quantity: 2pcs (front light + tail light)Lamp Beads: 3 LED lightsMaterial: Metal + plastic electronic partsColor: Red, white (the brightness of stepless dimming is much higher)Front Light: 3.5 hours (full brightness), 10 hours (half brightness), 10.5 hours (slow flashing), 10 hours (fast flashing).Tail Light: 2.5 hours (full brightness), 9 hours (half brightness), 9.5 hours (slow flashing), 9 hours (fast flashing).Battery: 650mAh rechargeable lithium batteryPackage List1 x Front Light1 x Tail Light2 x USB Cables2 x Accessories