ITEM NAME:Xlite100Â USB Rechargeable Bicycle Smart Brake Sensing Rear Light Taillight Product Description Description: Xlite100 Bicycle Smart Rear Light Auto On/Off Brake Sensing Light USB Rechargeable IPX6 Waterproof Bike Taillight Cycling Accessories Feature: 1. Brake sensing: When the brake is sensed, the light will automatically switch to the brake light mode, prompting the rear to pay attention to improve safety 2. Intelligent light sensing, automatically turned off when daytime cycling, automatically turned on when night cycling, automatically turned off after 30 seconds of strong light to avoid being affected by car lights at night 3. Vibration sensing: it will automatically turn on the light in automatic mode when it senses vibration, and it will automatically turn off after one minute 4. In any mode, as long as the brake is sensed, it will automatically switch to the brake light mode, and the brake light mode is about 2 seconds 5. Using high-brightness COB LED + quality lens: bright and not dazzling 6. IPx6 waterproof rating: no fear of any bad weather Specification: Prodcut size: 57x45x34mm/2.24x1.77x1.34" Product net weight: 37.8g Product main material: CNC all aluminum alloy Lamp bead: 1 x COB LED lamp bead Current: DC Waterproof rating: IPX6 Color: black + red Working mode: 4 modes, always on-flashing-breathing mode-automatic induction (need to flip the switch on the back) Battery: 400mAh polymer battery (included) Working time: 20h Switch: front middle push switch + back left and right toggle switch Charging method: USB charging Rechargeable: yes Brake sensor: yes Light sensor: yes Vibration sensor: yes Certification: CE, FCC, RoHS Function: night riding lighting Scope of application: cycling Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Bike Rear L.Vibration sensing: it will automatically turn on the light in automatic mode when it senses vibration, and it will automatically turn off after one minute. In any mode, as long as the brake is sensed, it will automatically switch to the brake light mode, and the brake light mode is about 2 seconds.