High quality LED collar, the line of sight can reach 500 meters. Playing at night, in the forest or in heavy snowfall can greatly improve dog safety, prevent pet loss and preventthe entrance of vehicles. The luminous necklace for pet is made of TPU silicone which is lighter and stronger than regular collars. Unaffected by rain and snow (but not completely submerged in water). Press this button to adjust the LED dog collar to constant flashing/fast flashing/slow flashing, LED dog collar and pet eyes safe. The length of the light up pet collar is 70cm. It is long enough to accommodate all types of pets. It can be cut to any length to fit your pet (please leave3-5 cm longer when cutting) and it is equipped with a quick release buckle to prevent damage. The pet collar charges via USB without having to change the battery. The charging port has good protective measures and is more durable. The light-emitting time is about 4-6 hours, and the charging time is about 40minutes. Bright F5 LED is