Bicycle Taillight with Multiple Lighting Modes, USB Rechargeable LED Bike Light, Heart-Shaped Rear Light for Road and MTB Bike Seatpost Specifications: LED: COB/LED Battery: Rechargeable polymer battery Battery life: 5 hours in high light mode, 32 hours in flashing alarm light mode Weight: approximately 25 grams Brightness: 10 lumens Size: 59.5 x 28.5 x 28.5 mm Features: 1. Safe Night Riding: Bright and flashing LED tail light enhances visibility for safer night riding. 2. Waterproof Design: IPX-2 water resistance allows reliable performance in rainy or wet conditions. 3. Multiple Modes: Five lighting modes provide flexibility for different riding conditions and preferences. 4. Long-Lasting Battery: Rechargeable battery offers extended runtime, ensuring dependable performance. 5. Compact and Lightweight: Small design is easy to carry and install, ideal for various bike types. Package Included: 1 x Bicycle Light 1 x USB Charging Cable 1 x Mounting Strap