ITERY Dog Collar, LED Flashing Lights Dog Collar Pets LED Flash Collar (Red, S) 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. Length: 25cm~36cm (9.8"~14"); Width: 2.5cm 30 hours of steady light Cute pattern and bright colorlooks nice and easy to see.