Antusi Q5 Bicycle Rear Light Automatic Brake Induction Taillight

Antusi Q5 Bicycle Rear Light Automatic Brake Induction Taillight 1. Battery capacity: 400mAh (3.7V) 2. Life time: 25-50 hours 3. Lamp beads: COB bright light source 4. Material: All aluminum alloy 5. Waterproof level: IP65 6. With intelligent brake, intelligent light sensor, static sensor (low-light vehicle vibration lights, low-light vehicles stand still for 30 seconds to turn off the lights, strong light vehicles vibrate lights, strong light vehicles stand still for 30 seconds to turn off lights)