The Sigma Buster 150 USB rear light delivers up to 150 lumens. It offers excellent visibility from up to 2,000 metres, a brake light function and five light modes for day and night use. The energy-saving flashing mode gives a long runtime. A side window keeps cyclists clearly visible from both sides in city traffic.
Technical specifications
- Visibility range: approx. 2000 m
- Brake light function with 2 LEDs
- Five modes: High (40 lm), Low (5 lm), Day flash (150 lm), Night flash (25 lm), Eco flash (5 lm)
- Runtime: 4 h in High mode, 20 h in Low mode, 6 h in Day flash mode, 7 h in Night flash mode, 20 h in Eco flash mode
- Memory function
- Short press of the button shows battery status
- Charging time: 3 h
- Tool-free mounting with a flexible silicone holder
- Built-in USB-C charging
- 240-degree wide-angle optics
- Three-level battery indicator
- IPX4 splash-proof
- Weight: 38 g (with holder)

