TCL Smart Lock D2 Pro Lets You Open Your Door ‘Like Iron Man’

TCL’s security division has announced a Smart Lock D2 Pro Palm Vein Smart Lock, featuring an integrated reader that means you can open your front door

When the press material suggested you could unlock your door “like Iron Man”, I wondered (hoped) that this meant it responds to fast-talking wisecracks. Instead, it refers to its dubiously named ‘Palm-Vein’ technology, which requires you to adopt the palm-up pose made famous by the Marvel hero as he shoots his Repulsor blasts from his hands.

Unlike the palm readers you might find in a visiting circus, TCL says the Smart Lock D2 Pro is 99.99% accurate and uses ‘AI’ learning technology so it can continue to recognise prints over time, even as they age — though you’d have to have the reader for some time to be testing this out.

This is TCL’s second smart lock featuring biometric technology, but to my eyes, the D2 is better-looking than its D1 predecessor, with the biometric reader separated from the keyboard below. TCL says all data is stored and encrypted locally on the device so you don’t have to be concerned about capture over the Cloud.

Open Options

If you don’t want your lock to talk to your hand, there are many other ways to open the door. You can also use the keypad, a fob, voice (via either Google Assistant or Alexa, from indoors only), the accompanying app, or even something called a ‘key’.

TCL has also increased the battery capacity to 10,000mAh, which it says will offer up to 10 months of continual operation, even in extreme weather conditions. The lock can be charged up using USB-C, but I would love to have seen the lock offer Wi-Charge wireless charging capability, so you would never have to worry about it running out of power.

As a next step from fingerprint recognition, the move to palm recognition could be part of a trend, with Philips releasing a palm-recognition-capable smart lock at CES at the start of the year.

In addition to the Smart Lock D2 Pro, TCL also announced the Smart Lock D2 Plus, which is essentially the same as the Pro, but using a fingerprint reader instead of palm recognition and the Smart Lock D2, which is keypad only.

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