No need for disassembly and assembly, more stable motor, intelligent sensing left and right opening, true mechanical key. Double hook lock tongue design, Sliding doors, parallel sliding doors, partition doors, and sensor doors can all be installed. Low noise, low power consumption Brushless material with , high , high torque, high efficiency, and precise pulse control Add any number of numbers before and after the real password. Let you open the door without worries. Left and right opening adjustment:Built-in automatic sensing device, the whole lock rotates 360 degrees and automatically detects left opening or right opening after power is turned on. Button unlock:Short the indoor button to unlock/close the door. Long for 10 seconds to restore to factory settings. Working current: consumption Less than 200MA Static power consumption Less than 120 μA working temperature:-25°C-+65 °C ambient humidity:5-95%RH (no condensation) speaker:Doorbell, voice navigation, important reminders (stereo sound 55-65 decibels) Record query:The latest 20,000 unlocking records can be queried (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: ABS+Aluminum Alloy Package Contents: 1 x Tuya Smart Home Fingerprint Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.