Features:
Splash-resistant:can be used in rainy weather.
PC cover,great transparency. ABS hoursing, durable.
Lithium-ion polymer battery, USB rechargeable.
Long discharge time 6-20 hours.
Easy installation and quick release.
Square base design, can be wertially or horizontally installed. The light clip is adjustable.

Specifications:
Item Name: Bicycle Satefy Warning Lights/Taillight and Headlight Combinations.
Light Source: *One Red and One White COB LED *Two Yellow SMD Beads.
Lumen: Red:80LM / White 120LM / R+W 120LM.
Color: Red / Yellow / White.
5 Mode: White Light-Red Light-Red and White Flash Altenatively-Yellow Light-Yellow Light Flashing.
Power Last: Red 6 Hours, White 6 Hours , Red and White Altenatively 6 hours,Yellow 15 Hours, Yellow Flashing 20 Hours.
Power: 500mah lithium battery.
Charging: USB (Android Interface).
Charging Power: = Charging Hours: 2 hours with charging indicator.
Size: Approximately 66mm * 43mm * 27mm.
Recommended Bike Tube Diameter :15mm-32mm.
Light Weight: 46g.
Shipping Weight: 135g.

Package Included:
1* Bike Light
1* USB Cable
1* Original Package

• 2 in 1 Functions: Red Light Mode can be used as a tail light and White Light Mode can be used as a Headlight.
• 5 Light Modes: Red Light-White Light-Red and White Flash Altenatively-Yellow-Yellow Flashing.
• Super Bright: *One Red and One White COB LED *Two Yellow SMD Beads. Lumen: Red:80LM / White 120LM / R+W 120LM. With this tail light installed on your bike, you won't be missed by the any car behind you.
• USB Rechargeable: Bulit-in 500mah Lithium Battery,Charging it for 1-2Hours, Can Last for 6-20 Hours Depends on the Light Mode You Choose.
• SummerBoom carries many different kinds of bike rear lights with competitive price & high quality;for more details, please search for Summerboom bike rear light.

2 in 1 Functions: Red Light Mode can be used as a tail light and White Light Mode can be used as a Headlight.SummerBoom