Features:

✅ MULTIFUNCTIONAL SAFETY LIGHT: Easy to install. Lightweight and durable bike tail light that can be mounted on all bikes, children's bike, adult bicycle, handlebars, seat posts, dog collars or anywhere. It also can be used as helmet lights, backpack lights, warning lights and more

✅ SET YOUR OWN LIGHT MODES: 5 light mode options: Strobe(9 hours), Slow Strobe(56 hours), Meteor Flash(14 hours), Tai Chi Flash(17 hours), Breathing Flash(8 hours). You can switch different modes according to your needs and different occasions to get the best lighting experience

✅ NO BATTERIES REQUIRED: Built in USB charge port for this bike rear light (USB cable included). Please charge it when the indicator light is red. It will turn green when fully charged

✅ WATERPROOF BICYCLE TAIL LIGHT: The taillight is made of IPX5 rated water resistant material to ensure a safe use in heavy rain

Specifications:

Light size: 4cm*4cm*2.3cm

Material: PC

Shell Color: Black

LED quantity + lamp bead model: 16 * LED

Light color: red light

Lumens: 20 lumens

Light range: 200m

Focus / Fixed focus: Fixed focus

Battery Type Supported: Built-in 220mAh lithium battery

Charging time: 2 hours

Charging method: USB

Waterproof rating: IPX5

Other features: Suitable for: night alerts, cycling, running, etc. Can be hung on a bicycle helmet. Suitable for 12-26 mm pipe diameter.

Package content:

1 x bike tail light

1 x USB charging cable