In 2018, Shenzhen Kinghelm Electronics Co., Ltd. was granted an invention patent for its Beidou-Based Intelligent ...

We may receive a commission on purchases made from links. Many front doors have two locking mechanisms — a deadbolt and a knob or level. There are now many smart deadbolts that allow you to use ...

It’s a video doorbell and a smart lock with almost every unlock method you could ask for. It’s a video doorbell and a smart lock with almost every unlock method you could ask for. has covered tech and ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? If you want an added level of security for your apartment or dorm, or travel ...