What's in the box:

Bike Tail Light USB Charge Mountain Bike Lights Night Riding Equipment Bicycle Night Warning Lamp (Gold)

This bicycle tail light is a necessary accessory for night riding, with night running warning function, power saving mode with long endurance of 56 hours, 5 light emitting modes, rain proof, back clip design can be hung on the helmet, bike tail bag, hiking bag.

Features:
Five modes of luminescence meet different needs, cluding metetor flash, tai-chi flash, breathing flash, quick flash, slow flash.
Quick USB charging, power saving mode, long battery life for long using time.
Bright enough for 200 meters visible, car of 150 yards per hour can decelerate in advance to avoids accident.
IPX5 level waterproof.
Simple and quick to install.
Mini size for easy carrying and storage.
Can be equipped on helmet, bike bag, hiking bag, suitable for most kinds of sports.

Specifications:
Color: black, gold, titanium, blue, red (optional)
Name: bicycle taillight
Light bead: LED
Battery: 602025 lithium polymer battery, 3.7V, 220mAh
Brightness: 20 lumens
Service time: 9 hours (strong light) 56 hours (weak light)
Charging time: about 2 hours
Mode: mode 5
touchinging the switch :(metetor flash, tai-chi flash, breathing flash, quick flash, slow flash)
Long press the switch: OFF
Waterproof: IPX5
Fall-proof distance: 1.5m
Visible distance: 200m
Material: PC engineering plastics+silicone+metal
Item size: 40 * 40 * 23mm / 1.6 * 1.6 * 0.9in
Item weight: 37g / 1.3ounce
Package size: 128 * 53 * 25mm / 5.0 * 2.1 * 1.0in
Package weight: 58g / 2.0ounce

Packing List:
1 * Bike Tail Light
1 * Belt Hook
1 * USB Cable
1 * Fixed Silicon Belt