1. High-brightness SMD patch lamp beads: 14 red SMD and 18 yellow SMD on the left and right sides, high brightness, effectively improving the safety of night riding.2. Set your own light mode: 5 light mode : turn right + high decibel speaker/turn left + high decibel speaker/red light always on/red light flashing/all flashing. You can change different modes according to your needs and occasions to get the best lighting experience and protect you.3. USB rechargeable and CR2032: The turn signal tail light is USB rechargeable, it can be used for 2.5-3 hours after charging for 1-2 hours. The wireless remote control can replace the CR2032 battery.4. Tweeter: 120 decibel loudspeaker, safe to remind passersby, night riding.5. Waterproof bicycle tail light: The tail light is made of waterproof material to safe use in .6. Remote control indicator light: and durable bicycle tail light, which can be installed on all bicycles, children's bicycles, and adult bicycles. It can also be used as helmet light, backpack light, warning light, etc.Specification:Product Name: Remote control turn signal tail lightLamp beads: LEDBattery capacity: 900 mACharging time: about 3hWorking time: about 2-3.6hVoltage: 3.7VColour:As shownMaterial:ABSSize:94x32.5x26mmPackage Contents:1* Bicycle tail light1* Remote control1* USB cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.