Product Description Ultra Compatibility:Compatibility with most apartment door locks. And the \”Accessory Kit\”can supports Jimmy Proof and Mortise locks without replacing the lock core, making it easy to upgrade your door lock. FREE three complimentary wood grain stickers for DIY customization to create a personalized style. Ultra Power-Long-lasting battery: The Triple Power System provides 9 months of continuous use. Equipped with a high-speed, low-noise motor, it automatically switches to Quiet Mode at night, disabling sounds effects to ensure the rest for your family. Ultra Unlock Methods: Multiple unlocking options with 0.3-second ultra-fast fingerprint recognition (supporting up to 100 fingerprints) for quick, secure, and convenient access. Paired with the SwitchBot Hub mini, you can enjoy 17 unlocking methods. Ultra Ecosystem: Supports the Matter, can works with Apple HomeKit via the SwitchBot Hub mini, then you can control through iPhone, Apple Watch, iPad, and other Apple devices. Also compatible with Alexa and Google Assistant for the smart home integration. Ultra Security: 6-layer security system with magnetic automatic locking ensures home safety. The SwitchBot APP provides detailed lock status records, supports two-step confirmation for remote unlocking, and offers multiple layers of security to protect your home. Product Information and Specs Dimensions: Size : 122 62.6 66.8 mm (4.8 2.5 2.6 in.)Weight : 367 g (12.9 oz.) (with batteries)Battery : 3 x 18350 batteries in parallel (4200mAh total), 9 months battery life (based on 10 locks/unlocks per day) What\’s Included: Lock Ultra (with backup pack) Mounting components Magnet & wood grain stickers Charging cable & support/direction tape Rechargeable main pack with up to 9-month battery life Warranty All our smart locks come with a 1-year warranty.