Pet Leashes Led Glowing DogCollar Adjustable Flashing Rechargea Luminous Collar Night Anti-Lost Dog Light HarnessFor Small Dogs PetProducts Product Description: There are two versions of LED collars. 1.USB charging version Once the light gets weak, charging will help Improve battery life 2. Button battery version Replace button battery when power is off CR2032 button battery x 2 Please choose the version you want according to your needs. (The collar with battery or the collar with USB charging) Battery: 2 pieces of CR2032 button batteries, the product is shipped with batteries, drive for about 30-40 hours, normal use for 2-3 months; the batteries can be replaced by themselves, and are available in convenience stores, shopping malls, electronic stores, watch markets, etc. You can contact er service to buy Charging model: charge for half an hour and use it for about 2-3 hours. There is a USB charging cable Note: The stainless steel ring on the luminous necklace can only be used to dress up pendants and pet identification tags, not for traction! ! ! Product advantages: Provide safety for your dog and pet while it goes out alone at night. Make your dog visible at night or in bad weather conditions Helps ensure the safety of you and your dog and other pets when walking. Features: luminous, anti-lost, waterproof, sustainable use To prevent the collar from triggering the light in transit, when you receive the product, there will be a clear insulating film next to the battery compartment of the collar, which you will need to tear off for the collar to work! Built-in luminous light bar for dog collar The size of each collar can be adjusted freely 8CM feature: Three flash mode First click_flash Second click_slow flash Third click_Long light (You can change the model through the on/off button) Between different colors: yellow and orange have high brightness Anti-Lost/Avoid Car Accident There are two different styles: battery and rechargeable size: XS: width 2.0cm, suitable for neck circumference 28-38cm/11 -15 inches, total length 41cm S: width 2.5cm, suitable for neck circumference 34-41cm/14-16 inches, total length 44cm M: width 2.5cm, suitable for neck circumference 37-46cm/15-18 inches, total length 50cm L: width 2.5cm, suitable for neck circumference 41-52cm/16-20 inches, total length 56cm XL: width 2.5cm, suitable for neck circumference 42-56cm/16-22 inches, total length 60cm XXL: width 2.5cm, suitable for neck circumference 43-60cm/17-24 inches, total length 65cm(Suitable for larger dogs) Note: Please choose the right size before buying! [Reminder] Choose the size based on your dog's actual neck circumference! [About