Size: 25mm exclude the carabiner

Carabiner length:42mm;

Material: aluminum

Batteries: 3 x AG3 button cell batteries

LED light: red/white/blue blinking

Color: red/blue/white

Flashing light at night and keep your pet safe

Function:  *Get out the black plastic buckle and screw tightly to make it blink;

                *Attaches the flasher to your key, and they will blink at night;

                *Increase the safety of your at night