• Smart brake sensing, quickly detects braking and keeps lighting on for 3 seconds, effectively alarm the vehicles and pedestrians behind
• 12 Lighting graphic options, press to switch on, click once to change modes, press for 3s to switch off gear memory function
• Sync mode for group ride, double-click to enter sync mode, automatically matching all the synchronized lights within 50m
• Can be installed on the saddle bow and the seat post
• IPX6 waterproof, fearless of the rainy weather
• Auto sleep/vibration wake-up function

Specification:

• Material: ABS+PC
• Weight: about 106g
• Lamp size: 39mm*39mm*22mm
• Charging time: about 2h
• Battery: 3.7V/600mAh polymer battery
• Lamp beads: LED
• Mode: 12 modes
• Standby time: 3 months
• Charging interface: TYPE-C
• Waterproof grade: IPX6