Why 3D face recognition beats 2D on a front door
A 2D camera compares a picture of a face with a stored picture. A 3D sensor measures depth. That single difference decides whether a printed photo,…
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Why 3D face recognition beats 2D on a front door
Palm vein vs fingerprint: which one survives real hands
Both are biometrics, but they read different things. A fingerprint sensor reads the surface of the skin. A palm-vein sensor reads haemoglobin beneath it, using near-infrared…
Battery life maths for a smart lock
A 4200 mAh pack sounds large until you count the radio. Most “battery problems” reported by installers are really specification problems: the wrong capacity for the…
IP rating is not the same as weather resistance
IP65 on a datasheet means dust-tight and protected against water jets. It does not describe what happens after two years of coastal salt fog, UV exposure…
Nine questions to ask before you import a container of locks
Most bad first containers are not caused by bad factories. They are caused by questions nobody asked before the deposit. 1–3: the product Which mortise body…
FOB, CIF or DDP: what actually changes for a lock importer
The Incoterm decides who owns the risk at each kilometre, and for locks the weight-to-value ratio makes this more consequential than it looks. FOB You control…
How to read a smart-lock datasheet without being fooled
Datasheets are marketing documents with technical decoration. Four lines decide whether the product is real. Line 1: the mortise body “6068” or “3585” tells you which…
Door preparation: the three numbers that decide fit
Nine out of ten “the lock does not fit” calls are not product faults. They are door-preparation mismatches that could have been caught from a photograph.…
Commissioning checklist for a first install
A lock that is installed but not commissioned will generate support tickets for a year. This is the sequence that prevents most of them. Before you…