Huawei Smart Door Lock ... and key. Both models come with a 161° wide-angle 2K HD smart peephole. The camera uses AI to detect people at the door, supports cloud storage for image and video ...

Here’s a video of Holler using a 3D-printed bump key to open an ... a printable 3-D CAD model. Weyers' technique, he says, wouldn't even require knowing the lock's make or model.