Walk your dog knowing very well they're safe from vehicles at night. The bright fiber-optic light is a great warning to get a driver's attention to slow down.
Just select the preferred mode you desire (different flashing speeds or static) using the switch control.
Rechargeable by USB, without battery.
Material: nylon, fiber optic
Width: about 2.5 cm
Length: S (35-43 cm) M (40-48 cm) L (45-52 cm) XL (52-60 cm)
1 Collar and 1 USB cable