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Smart Bike Tail Light Back Brake Light Waterproof USB Rechargeable Safety Taillight Rear Bicycle Flashlight Built-in 500mAH battery recharges from your bank,plug or any device with a USB port. Bike tail light offers 7 modes,includes low,medium,high,slow flashing,medium flashing,fast flashing and breathing flashing mode. The smart tail light will automatically enter into slow flashing mode during your braking time,and automatically turn off when you stopping for 10 seconds. Saddle rail mounting bracket provided,quick to install or detatch on your bicycles. Please do not soak into water fro long time.

This bike tail light with adjustable modes,is and perfect for riding use.

Specification:
Light Size: 44 * 34 mm / 1.7 * 1.3 in
Color: Black / / Multicolor (optional)
Material: + Silicone
Battery: 1 * 3.7 v 500 mAh ion battrey(included)
Waterproof: IP X6
: 180 °
Package Size: 110 * 80 * 35 mm / 4.3 * 3.1 * 1.4 in
Brightness: 100 Lumen
Light Weight: Approx. 56 g / 2.0 (with mounting bracket)
Mounting Position: Seat Post / Saddle Rail (optional)
Package Weight: Approx. 80 g / 2.8


Package List:
1* Rear Light
1* Instruction
1* USB Cable
1* Mounting Bracket