Ainiv Smart Bike Tail Light with Brake Sensor, Square Dual Mount, 6 Lighting Modes, USB C Rechargeable Bicycle Taillight, IPX6 Waterproof, Safety Warning Rear Bike Light for Night Riding Mount

• 【6 Lighting Modes】The Ainiv intelligent brake-sensing taillight features built-in high-brightness LED beads, emitting a striking red warning beam visible from 100 meters away, enhancing nighttime riding safety. It offers 6 intelligent lighting modes: constant light, cyclical flashing, dual-light flashing, breathing flash, slow flash, and strobe flash, easily switched with a single button to adapt to diverse riding scenarios and individual needs.
• 【Intelligent Brake Sensing】The bicycle taillight supports both intelligent and normal modes. Press and hold for 2 seconds to activate intelligent mode, and double-tap to switch to normal mode. In intelligent mode, the taillight automatically turns off after 30 seconds of inactivity and automatically illuminates when vibration is detected in dark environments. When braking, the taillight automatically switches to high brightness mode to prevent rear-end collisions and ensure safer riding.
• 【IPX6 Waterproof Rating, ABS Material】This bicycle taillight is made of high-quality ABS material and features an IPX6 professional waterproof design, effectively resisting rain and dust, easily handling various weather conditions. The ABS material makes it wear-resistant and impact-resistant, easily withstanding bumps and collisions during outdoor riding, maintaining stability and reliability even with long-term use.
• 【400mAh Battery, USB-C Rechargeable】Our bicycle taillight features a built-in 400mAh high-capacity battery that fully charges in 2-4 hours, providing 7-16 hours of continuous use on a full charge, eliminating the hassle of frequent battery changes. It easily handles short and long-distance night rides. Equipped with a USB-C charging port, it can be charged with any USB device, such as phone chargers, power banks, and laptops.
• 【Easy Installation】The Smart Taillight comes with two brackets and a silicone strap, compatible with saddles and seatposts, suitable for most bicycles. The silicone strap and quick-release buckle design allow for tool-free installation; the quick-release buckle is easy to install with a simple snap and twist, facilitating storage and charging. The quick-release structure is robust and durable, and the detachable taillight makes it easy to carry and use with flexibility and peace of mind.

Ainiv Smart Bike Tail Light How to Use & Care 1.Mount the Light Secure the bracket using the strap, then twist the light into place. The quick-release design lets you remove it easily. 2.Cleaning & Maintenance Gently wipe with a soft, damp cloth. Avoid immersion in water, strong chemicals, or abrasive cleaners. Specifications Material: ABS + PC + Silicone Color: Black Dimensions: 3.5 × 2.8 × 4.2 cm Weight: 74.5 g Battery: 400mAh lithium polymer Charging Time: 2–4 hours Runtime: 7–16 hours (mode dependent) Waterproof Rating: IPX6 Packing List 1 x smart bike tail light 2 x Mounting brackets 1 x Charging cable 1 x Strap 3 x Cable ties 1 x Instruction manual 1 x Packaging box Care & Precautions 1.Use only the provided USB-C cable or a certified charging accessory. 2.Do not expose the light to extreme temperatures or direct sunlight for extended periods. 3.Ensure the light is securely mounted before each ride. 4.When not in use for long periods, store in a cool, dry place and recharge every 3 months to maintain battery health. 5.This product is designed for bicycles only. Do not use on motor vehicles or other high-speed equipment. 6.The bracket installed under the saddle has an inner width of 3.9cm. Please decide whether to purchase it based on the actual distance under your vehicle's saddle. Notes 1.Actual runtime may vary based on usage patterns and environmental conditions. 2.The luminous intensity may appear slightly different depending on ambient light and viewing angle. 3.For optimal brake sensing performance, ensure the light is mounted firmly and the sensor is unobstructed.