12 red SMDs and 18 yellow SMDs on the left and right sides are highly bright and can effectively alert car passing behind them. Features: Set your own light mode: 5 light mode options. You changes different modes according to your needs and occasions to get the fine lighting experience and protects you. 120 decibel loudspeaker, safe to remind passersby, safer night riding. Waterproof bicycle tail light: The tail light is made of waterproof material to ensure safes use in rainy days. The tail light can be adjusted up and down at a large angle, allowing the light to form a controllable distance line. Wireless remotes control, when cycling, you can turn on the corresponding light, more safe. Specifications: Battery: 900mah Color: black Working time: 36hour Model: red light is alway on - red light blinks - all blinks - left turn signal - right turn signal Waterproof: IPX4 Light color: red to yellow Item size: 95 x 33mm / 3.7 x 1.3in Item weight: 54g / 1.9ounce Package size: 125 x 105 x 40mm / 4.9 x 4.1 x 1.6in Package weight: 115g / 4.1ounce Packing List: 1 x Bicycle Light 1 x Remote 1 x USB Cable 1 x Bracket 2 x Binds Note: 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. Sold by-Minnanxin