ITERY Dog Collar, LED Flashing Lights Dog Collar Pets LED Flash Collar (Green Gloves, M) With the led flash collar you can find your pet at night easily LED light for 4 modes: slow flashing, fast flashing, on and off. Adjustable length: 11.9-18.9 inch; Width: 1 inch 30 hours of steady light Cute pattern and bright colorlooks nice and easy to see.