[Product description]: USB charging network dog ring [Flashing mode]: fast flashing / slow flashing / on / off [Material]: reflective nylon fabric + ABS battery box + mesh [Size]: M size, adjustable telescopic range 40-50 cm, suitable for dogs weighing 15-25 kg, width 2.5 * length 50 cm [color] red [Robust illuminated dog collar] The robust LED illuminated dog collar is made of robust nylon, which has a higher strength and durability. Equipped with a stainless steel D-ring that can be connected to all dog chains. [Dual LED fiber optic, visual enhancement] Super powerful light ensures a safe viewing distance of more than 300m at night. Walk on snow-covered roads, at dusk, at night, in the forest or on driveways to your To protect dog from accidents or losses. [Fully adjustable dog collar] Easy to wear, with quick release buckle and adjustable length. Please use a soft tape measure to measure the dog’s neck circumference to select the correct size. Always give your dog enough air to