Ravemen CL05 USB Rechargeable Bike Tail Light - 100 Lumen LED Bicycle Rear Light with 5 Modes, Waterproof Cycling Safety Light for Night Riding, Commuting, and Road Biking

CL05 is a lightweight and easy-to-use rear light. Featuring two COB LED rings and built-in light sensor, it provides max 30 LED lumens on warning flashing mode, great for busy night street commuting or city riding. With the flexible rubber strap mount and mounting clip, the light could be mounted to round and aero seatpost or clipped to some compatible saddle bags or backpacks directly.

• Highly efficient COB LED with max 30 LED lumens
  
• Built-in light sensor to activate max output for warning when detecting headlights from rear approaching vehicles
  
• Auto power save and indicator for low battery
  
• Quick release design for various mounting ways
  
• USB-C charging port for convenient use
  
• Built-in mode memory function
  
• IPX6 water-resistance for heavy rain
  
• LED: COB LED
  
• Battery: 200mAh/3.7V rechargeable Li-polymer battery
  
• Dimensions (light unit): 42.5mm (L), 23.5mm (W), 43.5mm (H)
  
• Weight (light unit): 23g
  
• Mount size: compatible with 24-36mm round seatpost and aero seatpost