Comes in four modes including 2 x 1/2 watt constant, 1/2 watt constant, 1/3 watt constant and flashing;Visible from up to one mile;Up to 25 or 50 hours running time;USB rechargeable;Includes 2 x AAA batteries and 2 x 1/2 watt LEDs;Limited lifetime warranty

• Smart Lunar R2 USB Rear Light, 2 x 1/2 W
• N/A
• Black

Smart Lunar R2 USB Rear Light, 2 x 1/2 WSmart