HARFO Fingerprint Door Lock, Keyless Entry Door Lock with Touchscreen and OLED Display, Keypad Door Lock, Door Lock with…

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Door thickness range: 1 3/8 inch to 2 3/16 inch 35mm-55mm thick.
OLED DISPLAY + VOICE GUIDE will walk you through the whole process. You can simply use the touchscreen to add or delete user on the device. ✅ Need 4pcs 1.5V AA dry batteries (No include) . Rechargeable batteries are not recommended, because most rechargeable battery’s voltage is 1.2V.
ALL-IN-1 FLEXIBILITY, fingerprint +access card(3 include) + code(4~12 digit) + backup key + double verification to unlock. Up to 300 users max and allow owner to track entry record.
NEW 3D FINGERPRINT SENSOR bring you a fast & best secure fingerprint recognition system. Accuracy up to 99.86%. Works perfect for kids and the elder.
DEADBOLT BUTTON can only allow admin users to access. This function can increase your privacy level significantly.