Lockin’s new vein-scanning smart lock has a video doorbell and recharges wirelessly

The Lockin V7 Max looks nothing like other smart locks. | Image: Lockin

While using a smart lock has a lot of positives, one of the negatives is having to deal with a battery that has unexpectedly gone dead. Lockin is introducing a smart lock that bypasses that problem: the V7 Max, which is powered by wireless optical charging. According to the company, the lock uses "eye-safe optical output to provide rapid power delivery with zero waste within a four-meter range."

This is how it works...