U.S. buyer attention:
The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. But you can choose ship from China.

Spanish buyers attention:
If your address includes following postal code please do not choose the Spanish warehouse.
The zip code starts with 35/38.
Overseas warehouse cannot be delivered. But you can choose ship from China

LED Bike Tail Rear Lights 5 Modes Rechargeable Mountain Bike Safety Rear Lights Smart Brake Sensing Waterproof for Night Riding Feature: 1. Intelligent Light Control: Automatically detect the brightness of the riding environment after the tail light is on for a period of time in the flashing mode, automatically turn off when it is on, automatically turn on when it is dark, and automatically turn off the light after parking in a dark environment for a period of time. 2. Brake Sensing: Built-in high-density speed sensor. When sensing the deceleration of the vehicle body, the red light will highlight for 2 seconds and then return to the current mode, prompting the rear attention to improve safety. 3. Power Display: Convenient to understand the battery condition, 100-50% green light, 50-10% green light, and less than 10% red light. 4. Two Installation Methods: Applicable to more bicycles; Waterproof, good sealing, no fear of riding in rainy days. 5. Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. Specification: Main material: aluminum alloy+PC Product color: black Product size: about 63x49x36mm/2.48x1.92x1.41inch Net weight of product: about 45g Other parameters: Bead parameter: red LED Bead Light gear: 5 gear, always on and various flashing Charging mode: Type-C USB charging Product battery: 400mAh polymer battery (included) Endurance: 13-42H Description of light gear: The actual lighting gear has five gears, but the video has only four, which is subject to the picture. The video is not fully displayed. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x Bicycle tail lamp 1 x Charging cable (black and white random delivery)