【Local Delivey】ROCKBROS Bicycle Tail Light Smart Brake Sensing Cycling Rear Light Waterproof Type-C Rechargeable MTB Road Bike Tail Light

product details Q2:

Material: ABS +PC
Modes: 5 light modes (no smart mode)
3 kinds of brightness adjustment ： low brightness, medium brightness, high brightness
Battery life: high light - 7-14h, medium light - 17-34h, low light - 27-54h
Battery capacity: 3.7V/260mAh
Tips: Press and hold the button in the off state, the red light is always on to prompt the selection of high, medium and low brightness, and release the button to complete the setting. (Q2S does not have this function)

Q2S:

Material: ABS +PC
Mode: 4 lighting modes (the first 2 intelligent modes) - slow flash, breathing light, burst flash, always on
Battery life: about 7-16h
Battery: 3.7V/260mAh
Features: Vibration sensor, automatic wake-up