Features: Multifunctional fingerprint lock, with two installation methods: punch hole/no punch hole. Large capacity, capable of adding 20 fingerprints. Press and hold for 5s to enter your fingerprint, bidding farewell to the troubles of traditional keys being easily lost and password being easily forgotten. Type C charging, convenient and fast, with long battery service life. Equipped with three color status indication light, and the status is clearer. Can use for refrigerators, window, drawers, storage cabinets, etc. Indoor window limit lock to prevent potential hazards such as baby opening window, door, and refrigerators. Specifications: Component: ABS+steel wire+adhesive backing Color: white, black(optional) Middle Distance: approx. 185mm/7.28inch Installation component on both side size: approx. 76x32mm/2.99x1.26inch, 75x39mm/2.95x1.54inch Unlocking method: fingerprint unlocking Installation method: punching/no punching Accommodate fingerprints number: 20pcs Charging: Type C Package Includes: 1Pc Multifunctional Fingerprint Security Lock note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.