LED Dog Collar

If you walk before sunup or after sunset, this LED collar is invaluable. With three options for light, (solid, fast blink and slow blink) you, and others, will easily be able to see where your dog is.  Give yourself and Fido extra protection in the dark. Collar can also be set to OFF.

Comes in two options: battery powered or rechargeable.  The batteries last about 30-40 hours and can be replaced. The rechargeable model comes with a USB cord.

Overview
LED light glows and flashes in darkness.
Helps to keep you and your dog & other pets safe during walking. 
Provide safety for your dogs and pets while it's out alone at night.
Easy to use: simply push the control button to turn the light ON/FLASH/OFF

Collar has 4 modes controlled with a switch on the collar Solid Light, Fast Blink, Slow Blink, and Off. 

Size:
S: width 2.5cm adjustment range 30-40cm
M: width 2.5cm adjustment range 38-50cm
L: width 2.5cm adjustment range 48-60cm
XL: width 2.5cm adjustment range 55-62cm
Use time: about 40 hours of battery use
Charging models: charge for half an hour, use for about 2-3 hours

Usage time:
The battery model can be used for about 30-40 hours, and can be replaced by purchasing new batteries.
The battery model uses 2 CR2032 button batteries and is shipped with batteries (built-in battery + insulation sheet)
The charging model is charged for half an hour, about 2-3 hours of use, with a USB charging cable,