Kaadas K20-V smart lock with camera adopts an integrated curved and streamlined appearance design to prevent others from intruding. With selected high-quality aviation aluminum alloy, IML external protection technology and the electroplating process of red bronze, it is scratch-resistant and wear-resistant for long time usage. Such a practical lock comes with 144°ultra-wide-angle lens, 2 million pixel high-definition camera, 1080P high-definition image sensor, built-in human body sensor detection, large-capacity storage card and WiFi connection technology with low power consumption, bidding farewell to the drawbacks of the past smart locks on the market. It has five unlocking methods: fingerprint, PIN code, one-time PIN code, mechanical key and dual verification (fingerprint + PIN code), which is convenient for the whole family.