Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Automatic locking, no need to worry about forgetting to lock the door
•Support Multiple Biometric Fingerprint Unlock/Mechanical Keys/Tuya App Unlock: Link for remote unlock via Tuya app, add B4 USB gateway, it can connect, which realizes Tuya APP remote unlock, with hidden keyhole, IP54 waterproof, can be installed. Outdoor
•Mechanical keys and emergency power (USB) can be used when the door lock is off.
•Powered by 4 AAA batteries, battery life up to 8 months
•The ball door lock can directly replace the old door lock without drilling
From USA
