The Ravemen TR100 Rear Light uses 4 high-efficiency red LEDs and a high-capacity 800 mAh lithium-ion battery. TR100 is a powerful rear light with up to 100 lumens LED for daytime driving and up to 26 hours of battery life in low mode. The light is easy to use with a USB C charging port and usable even on rainy days with an IPX6 water-resistant design.

• Eye-catching beacon with a maximum of 100 lumens LED, providing excellent visibility for daytime driving.
  
• Stylish lens with special optical design, providing clear rear and side visibility.
  
• Automatic power saving and low battery indicator.
  
• USB-C charging port for convenient use.
  
• Compatible with round and aerodynamic seatposts.
  
• Intelligent memory circuit remembers the last used brightness level and mode when turned back on.
  
• The light can also be attached directly to some compatible saddle bags or backpacks.
  
• High-efficiency red LED with max 100 lumens in flashing warning mode for daytime riding.
  
• 3 constant modes and 2 flashing modes for various night riding environments.
  
• LED: 4* high-efficiency red LEDs.
  
• Battery: 800 mAh/3.7 V lithium-ion rechargeable battery.
  
• Dimensions (light unit): 38 mm (W)*25 mm (L)*57 mm (H).
  
• Weight (light unit): 50 g.