Waterproof bicycle tail light

main feature:
• Built-in super bright corncob LED
•Compact, lightweight and waterproof design
• The shell is made of 100% brand new PC + ABS material
•650mAh lithium battery
• Equipped with gel strap, wide use range
• Easy to install without any tools
Features:
• Light source: Corncob LED chip
• Output power: 120 lumens
• Color: red, white, red/blue, red/white, red/blue/pink, 7 colors
• Beam angle: 120° chip, 240° diffuser
• Battery: 650 mAh lithium battery