Key Features

• -!Reminder:The gap between install place should be less than 6.89 inch. Install flat area must be more than 1.54 inch x 3 inch(to lock / base)! Please press them hard for a few seconds and allow 48 hours after installation to ensure maximum adhesive bonding. !Note!: Before installation, please fully charge (Intended for easy disassembly to facilitate charging.). 5V adapter/power bank to charge (not included).-Free lifetime technical support, have any queries plz feel free to reach out
• -Keyless Fingerprint Lock-Adjustable Chain: Farewell to cumbersome passwords and keys, your finger is the key. The adjustable chain control how wide the door opens, from a peek-out to a package-handoff width. Adopted high-tech biometric fingerprint identification technology, the lock supports 20 fingerprints, touch your finger in finger pad to unlock in seconds. Easy& no-tool installation with upgrade adhesive (Damage-free removal). Or drill the lock with screws (Need Tool) ? It is all your call!
• -MULTI USE IN DOZENS PLACE: The lock is compatible with most home furniture like cabinet door, drawers, refrigerators, certain toilet lids, certain trash can, closets, wardrobe, microwave, dishwasher, cupboard, oven, freezer. More details in ASIN pictures. It would be necessary when you are in travel, hotel, RV, camper van. You also can make it as the window lock to customize window opening distance and indoor ventilation limit. Not Just for Kids! Also perfect for pets, home offices, and privacy
• -SAFETY FIRST: The lock with strong acrylic adhesive is made of quality ABS and smooth edge craft. Thick aluminum alloy chain. Stick at smooth surface like, wooden, PVC, aluminum alloy, glass and steel. Or drill the lock with screw in place want. Durable and safety. The lock is designed by our excellent designers who listened to the feedback of thousands of users. Designed to be easily removable for charging or programming. If fully charged, it can be used for 12 months if unlocked 5 times a day
• -CHILDPROOF & PETPROOF: When your little ones start taking their first steps, it's time to make a safe environment for them. Offer reliable security when curious babies or pets is exploring. Protect them from unwanted items. For example, prevent them from opening cabinets, ovens, others or eating forbidden by parents; even they accidentally lock themselves in there. Just follow the guide to set the fingerprint, move the finger at multiple angles when entering the fingerprints. Lock the danger!