Details: Lamp beads: 4 blue SMD, 5 red SMD, 30 yellow SMD Brightness: red light 10-15LM Color: main light red, left and right turn signals yellow Battery: 500 mAh Lifespan: 30000 hours Lifespan: 4-5 hours Package Contents: tail light * 1 Remote Control * 1 Charging Cable * 1 REMOTE CONTROL TURN LIGHT: Easy to install. Lightweight and durable bicycle rear light that can be mounted on all bikes, children's bikes and adult bikes. It can also be used as a helmet light, backpack light, warning light and more SET YOUR OWN LIGHT MODES: 5 light mode options: turn right, turn left, red constant, red-blue flash, all light flashes. You can switch different modes according to your needs and occasions to get the best lighting experience and protect yourself USB RECHARGEABLE: The turn signal light can be charged via USB and can be used for 4-5 hours after fully charged WATERPROOF BICYCLE TAILLIGHT: The Taillight is made of water-resistant material to ensure safe use in rainy days.