Feature: 1. Soft plastic material, safe and non-toxic, no harm to the health of pets and bite-resistant. 2. USB charging design, built-in rechargeable battery, long-term use, without frequent battery replacement. 3. DIY cut as you want, freely control the size, meet your different demands and safe and non-leakage. 4. With a lock design, it can be rotated according to the icon, and the collar can be easily opened for easy cutting. 5. Take the dog out at night to find pets easily, prevent pets from getting lost and the accidents on the road. Specification: Item Type: LED Dog Collar Material: Plastic Size: Total Length：Approx. 70cm/17.6in Weight: Approx. 70g/2.5oz Lighting Effects: fast flashing, slow flashing, constant bright (colorful models: fast flashing, slow flashing, alternate flashing) Battery: 1PCS lithium battery (350mAh) (built-in battery shipped). Package List: 1 x LED collar1 x USB Cable1 x Screwdriver Note: Manual measurement, there is a 0‑1CM error.