The Beeztees Safety Gear Dogini dog collar is a silicone collar with a USB connection. This light-up collar ensures that your loyal friend remains visible even in the dark, keeping you both safe on your outings. There are 3 settings to choose from: slow blinking, fast blinking, and steady light. Once the light dims or goes out completely, the collar can be conveniently recharged with a USB charger. The collar can be adjusted to the appropriate size. Please note: a leash cannot be attached to the light-up collar. It is available in 7 colors and 2 sizes: 35 cm x 10 mm and 70 cm x 10 mm.