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: 900mahColor: blackWorking time: 36hourModel: red light is alway on - red light blinks - all blinks - left turn signal - right turn signalWaterproof: IPX4Light color: red to yellowItem size: 95 * 33mm / 3.7 * 1.3inItem weight: 54g / 1.9ouncePackage size: 125 * 105 * 40mm / 4.9 * 4.1 * 1.6inPackage weight: 115g / 4.1ouncePacking List:1 * Bicycle Light1 * Remote1 * USB Cable1 * Bracket2 * Binds