This new smart bicycle rear light  with 5pcs LED lights can keep you safe in the darkness. It will be cool when using this product.

Features:
Rechargeable bicycle tail light with bright 5pcs LED lights.
4 Modes: Constant， Flash， Quick flash， Come and go flash.
Water-resistant design can protect it in light rainy day.
Automatical cut-off system will function when it is fully charged.
LED light is environmentally friendly and durable.

Specifications:
Material: PC !#!amp!*! Aluminum alloy
Color: Red / White(optional)
Battery: 200Mah
LED Number: 5 LED Lights
Mode: 4 Modes
Charge Time: 1 - 2 hours
Working Time: Approx. 4 hours(constant)， 10 hours(flash)， 8 hours(quick flash)， 12 hours(come and go flash)
Item Size: Approx. 7.5 * 3 * 2cm / 2.95 * 1.18 * 0.79in
Item Size: Approx. 7.5 * 3 * 2cm / 2.95 * 1.18 * 0.79in
Item Weight: Approx. 24g / 0.85oz
Package Size: Approx. 17 * 7.5 * 4.5 cm / 6.69 * 2.95 * 1.77in
Package Weight: Approx. 39 g / 1.37oz

Package List:
1 * Bicycle Rear Light
1 * USB Cable
1 * O-ring Strap 

Note:
Please allow 1-2cm (0.4-0.8") differences due to manual measurement， thanks.