Xiaomi Mijia Sherlock M1 Intelligent Stick Lock Non-dismantling Smart Door Lock Keyless Fingerprint

Please read the instruction before order this product: http://img.banggood.com/file/products/20171221004838SKU812964.xls The Sherlock M1 Smart Lock comes as a smart sticker attached to the main lock and which can be controlled using an app. All that needs to be done is to affix the smart lock to the inside of the general anti-theft lock M1 and you can control the door through the Mi home app. There will be no need to make any changes to the anti-theft lock. After installing the gadget on the lock, the app can then be used to control the lock and this wouldn't stop it from opening manually from the outside with a physical key. But there is an anti-lock mode where the door can only b unlocked using the app. The gadget allows the homeowner to set different virtual keys which can then be distributed to different members of the home. The virtual keys can be given an expiration date or can be deleted at any time by the main owner. It also has built-in home custom security chip (MJSC) and each chip has a unique private key and certificate. The security chip also ensures there is a two-way encrypted communication only between the app and the gadget. Specification: Size: 128x62.5x73.5mm Material: PC Colour: Black Net weight: 434g Communication mode: bluetooth 4.0 and above Battery capacity: 3800mAh Package includes: 1 x Xiaomi Mijia Sherlock M1 Intelligent Stick Lock Non-dismantling Details pictures: