Voice Command Compatible, Supports Matter: When paired with the SwitchBot Hub 2 (sold separately), SwitchBot Smart Lock Pro now supports Matter, and allow you to use with your iPhone and Siri. Lock Pro is compatible with third-party platforms such as Alexa and Google which means you can unlock easily using voice commands! Wide Compatibility: Lock Pro is made with aluminum alloy casing to make it more durable, and is retrofit, which means no DIY needed. It allows for simple and quick installation onto your door lock without damaging any old parts. Perfect for tenants and apartment residents alike. Lock Pro is compatible with the mainstream North American door lock Deadbolts. (Please confirm compatibility before purchasing) Pro Battery Life: Powered by 4 x AA 1.5V batteries (included), you'll be able to enjoy a battery life of up to 6-9 months (usage applies). SwitchBot Dual Power Pack can also be purchased, extending lifespan to 9-12 months. (Please replace batteries when low battery notifications are received) Automatically Locks with Real-time Notifications: Auto-Lock keeps your door closed at all times when you leave or enter home. And what's more, when connected to SwitchBot Hub, Lock Pro can give you real-time notifications regarding door lock status and overall door status too. Part of SwitchBot Ecosystem: Use Lock Pro with other SwitchBot devices for a more intuitive smart home experience and automate everything from curtains to Air Conditioners. Paired with SwitchBot Keypad Touch (sold seperately), you can enjoy up to 15 unlock methods including fingerprint unlocking, one-time passcodes, timed passcodes, remote unlocking, voice commands unlocking, and more. SwitchBot Lock Pro is designed to work with most deadbolt door locks. You can check the Lock compatibility at this link: https://support.switch-bot.com/hc/en-us/articles/8913836653463-Checking-SwitchBot-Lock-compatibility