Product detail Material: ABS+PC Lamp beads: COB lamp beads Mode: 4 modes Endurance time: 7-16h Weight: about 22g Water resistance: IPX6 Battery: 3.7V/260mAh polymer Warranty: 1 year Product feature Riding safety brake intelligent induction Freely switch four modes ABS+PC shell PC lens + COB lamp beads IPX6 waterproof Type-c rechargeable 260mAh battery Weighs only 22g Smart Brake Tail Light Four modes|Intelligent induction|Type-c charging Product incompatible for mation Riding safety brake intelligent induction During riding, when the lights sense the brakes, they stay on compatible for about 3 seconds to warn the vehicles behind Freely switch four modes Slow flash-breathing flash-burst flash-constant light one-key switch Vibration sensor to wake up automatically In smart mode, it will automatically turn off the lights without vibration compatible for about 30 seconds The light will automatically turn on when you feel the vibration ABS material is more durable and impact resistant ABS+PC shell is lightweight, durable and corrosion-resistant PC lens + COB lamp beads Bright lamp beads light soft and not dazzling Type-c rechargeable 260mAh battery When the red indicator light in the middle of the taillight turns dark, it means the battery is low. When charging, the light strip will light up slightly, and when fully charged, the light strip will turn off. IPX6 waterproof Don't be afraid of the influence of bad husband's anger on the headlights do not soak in water compatible for a long time Weighs only 22g Easy installation without tools Sitting bow installation 1. Secure the position with cable ties 2. Cut off the excess cable ties 3. Turn the tail light clockwise into the base 4. Installation is complete Seatpost installation 1. Determine the appropriate position on the seatpost 2. Attach the silicone strap to the seatpost 3. Turn the tail light clockwise into the base 4. Installation is complete