• Intelligent sensing, high brightness beads, long battery life
• Brake and vibration sensing/auto sleep
• Three modes: always light, flashing, and LED cycling flash
• About 10~30h battery life/IPX7 waterproof
• Magnetic charging is about 2.5 hours full

Specifications:

• Material: PC
• Weight: about 16g
• Beads: 20pcs COB LED small beads
• Mode/Long life: always light x10h, flashing about 60h, LED cycling flash 15h
• Battery: 200mAh lithium battery
• Charging time: about 2.5h
• Charging method: magnetic charging
• Function: brake sensor, 50 seconds vibration start-stop