The Xiaomi Face Recognition Smart Door Lock also featured an AMOLED screen on the inside. A few other options for unlocking the smart door lock are also available. They include using a key, password, fingerprint, or the smartphone App. The smart door lock has a net weight of 4g and adopts an aluminum alloy panel. It is suitable for doors sized between 40mm and 120mm while its dimensions are 473 x 185 x 105 mm. Xiaomi is yet to provide the full specs of the device but this should not be far off that of its predecessor. The Smart Door Lock X has a 6,250mAh battery that can last for 6 months. The gadget can record up to 50 user face components up between 1.3 and 2 meters