“Color as shown Size: 10 x 4 x 3cm Weight: 10g WIDE FIELD OF VIEW: Wide angle design with 180 degree field of view, the LED bike light makes you more visible to other road users at night or dark day. It will be great for your added safety when riding Equipped with ultra-wide, wide-beam LEDs that make you more visible to other road users INTELLIGENT BRAKE SENSOR: A built-in accelerometer sensor allows for accurate brake detection Ultra-bright automatic brake light turns on automatically after braking The bike light is super bright and highly visible from afar.Really attract attention to increase your safety automatically turns on when the light is low and off when the light is high.Save time by turning on the Waterproof and Rechargeable Bike Taillight: IPX5 waterproof bicycle rear light against splashing water from every angle aute 400mAh lithium polymer battery comes with a USB cable that charges from your computer, wall charger, home charger or any other device with a USB port. After