[LED Bright Dog Necklace] The bright dog necklace is made of solid nylon and LED lighting, which is easy to see and protect dogs in dark environments. This dog necklace can provide visibility up to 500 meters. This LED necklace is very needed by dogs or cats [Light dog collar with 3 lighting modes] Press the button to easily adjust and freely switch between the three modes: fast flashing, slow flashing, fixed lighting and off [USB charging dog collar] Each LED collar is equipped with a USB charging cable for the built-in lithium battery (battery capacity 250mA). No extra battery is required, which is convenient to use and environmentally friendly. It can be used for more than 10 hours when fully loaded [LED dog necklace, adjustable size] small 10.23-15.75 inch/medium 15-19.68 inch/large 19-23.62 inch. Easy to carry, with quick release ring, adjustable length. Please measure the neck circumference of the dog with soft tape to select the appropriate size. Be sure to give
