Title: Aqara Smart Door Lock A100 Pro Zigbee BT 5.0 Fingerprint Unlock BT Smart Fingerprint Home Key Smart Features: Battery Life.540 days battery life,Safe and stable not offline. Black Technology Doubles Security.From the lock body to the rear panel, everything is designed with advanced security from the user's point of view. Financial-grade fingerprint recognition.Using 3D semiconductor fingerprint recognition technology, equipped with Swedish PB company fingerprint algorithm,effectively eliminating fake fingerprints. True mortise C-class lock cylinder.The lock cylinder runs through the lock body,effectively preventing violent unlocking. Intelligent linkage.When opening the door, the lights and curtains are slowly opened, and the air conditioner and floor heating are adjusted to the appropriate temperature. Specification: Name: Aqara Smart Door Lock A100Pro Model: ZNM S02ES Size: 375*7 7*23.6 mm Wireless Connectivity: Zigbee, BT 5.0 Battery specification: AA alkaline dry battery Emergency power supply: .Type-C 5V DC external power supply User capacity: 75 sets of common passwords and temporary passwords, 25 NFC devices, 50 fingerprints Lock cylinder specifications:Standard standard (for 40-80mm door thickness) Product safety level: B level Lock cylinder security level: C level Operating temperature:-25°C~55C Working humidity: 0-93% RH, no condensation Package list: 1*Aqara Smart Door Lock A100Pro 1*User Manual