• Warning light: Using upgraded XPE lamp beads, the heat generation is small, and the light energy conversion rate is higher
• IP65 waterproof: Please close the waterproof cover after charging to avoid rain washing
• Adjustable volume: Not recommended for indoor use, 90db and 110db are available
• Touch switch: Easily reach, press and ring
• USB charging port: Built-in 300mAh lithium battery, it can be fully charged in 2-3 hours

Specifications:

• Quiescent Current: 4.3ua
• Weight: 30g
• Battery capacity: 300mAh
• Size: 40*50*25mm
• Low volume operating time: 4.5-5H
• High volume operating time: 0.6-1H
• Material: PC+ABS
• Decibel: 90-110
• Output voltage: 3.7V
• Features: Waming light (except black)
• Large capacity output current: 450mA
• Small capacity output current: 60mA
• Charging time: 2-3H
• Input voltage: 5V
• Material: PC+ABS
• Waterproof grade: IP65
• Applicable handlebar diameter: 22-31.8mm