The Mactronic ABR0051 rear bicycle light features 20 LEDs and a luminous flux of 20 lm, with visibility from behind and from the sides. It is powered by a 3.7 V 500 mAh Li-poly battery and charges via USB-C. The elastic bracket makes it easy to attach to the bicycle.

Runtime is 2 hours and 30 minutes on high, 7 hours on medium, 5 hours and 30 minutes in flashing mode, and 44 hours in pulsing mode. Charging time is 2.5–3 hours.

• Type: Rear light
• Luminous flux: 20 lm
• LEDs: 20
• Battery: 3.7 V 500 mAh Li-poly
• Charging port: USB-C
• Runtime: 2 hours and 30 minutes on high, 7 hours on medium, 5 hours and 30 minutes in flashing mode, 44 hours in pulsing mode
• Charging time: 2.5–3 hours
• Protection: IPX4
• Housing material: Plastic
• Dimensions: 80 × 30 × 21 mm
• Weight: 81 g
• Package contents: Rear light, 3.7 V 500 mAh Li-poly battery, elastic bracket, USB-C cable