Smart Door Handle Lock APP Remote Control. Keyless entry smart biometric lock, 4 unlocking methods. Fingerprint, password, Bluetooth APP, temporary password.Semiconductor fingerprint sensor, fast fingerprint recognition, 360 ° self-learning memory algorithm, more accurate. Concealed password handle, can set a temporary dynamic password. If remote unlocking is required, one or a group of dynamic passwords can be set. After unlocking, the password automatically becomes invalid. When the wrong password is entered 5 times, the smart lock automatically locks for 5 minutes; any number of passwords can be entered before the correct password, and only the last few digits are the correct password to unlock. The user unlocks by the fingerprint and APP or password, and the administrator can find the record in the unlock record on the APP. Intelligent charging, simple and convenient for using. With low voltage alarm, when the battery power is low, the smart lock will emit a low battery alarm. It can replace the standard single-cylinder American door lock, suitable for left/right/inside/outside opening door, and the door thickness is suitable for 35-55mm. Item Type: Door Handle Lock. Power Supply: 1 x 3.7V 14500 Rechargeable Battery (Built-in). Emergency Power Supply: USB Charging. Service Life:> 200,000 Times. Fingerprint / Password / App / Temporary Password. 1 x Lock Front Panel. 1 x Lock Rear Panel. Instead of leaving negative/neutral feedback or opening a dispute. Our listing price includes the value of goods, packaging cost, and export. Please check with your country's. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Door Locks & Lock Mechanisms". The seller is "2018happydeal" and is located in this country: CN. This item can be shipped worldwide.