The product provides 180-degree lighting, with a visible warning that enhances visibility, helping ensure riding safety during both day and night. The bicycle tail light features adjustable vertical angles, allowing the light to project a controlled distance line. It includes a USB charging cable for charging from a computer, power bank, or any device with a USB port. The charging port is sealed with silicone, offering reliable waterproof and dustproof protection. Designed with a 120 dB siren speaker to provide enhanced safety alerts when signaling turns. Helps attract the attention of nearby pedestrians and drivers, improving safety in traffic. Compatible with bicycles, road bikes, mountain bikes, and hybrid bikes. Can also be used as a helmet light, backpack light, wheelchair light, scooter light, or skateboard light. Light Color: Red, with yellow turn signals Lamp Beads: 32 LED (14 red + 18 yellow) Light Modes: Solid red, flashing red, left turn signal, right turn signal, all flashing Waterproof Rating: IPX4 Light Dimensions: 94 x 32.5 x 26 mm Control Type: Remote control Remote Dimensions: 54 x 42 mm Battery Capacity: 900 mAh lithium battery Charging Time: 3 hours Runtime: Up to 36 hours Sound Output: 120 decibel tweeter Mounting Options: Seat posts, helmets, belts, backpacks, and similar locations Color: Black Material: Plastic Package Includes: 1 x Bicycle Rear Light 1 x USB Charging Cable 1 x Remote Control Note: Lighting effects and display settings may cause slight color variations between the product image and the actual item. Measurement tolerances are within +/- 1-3 cm.