https://vid.freedif.org/videos/watch/470d97b4-970b-4447-a6b9-46f60cf85215 Thanks to Aqara for sponsoring this video! You can check out the Aqara Smart Lock U400 at: Amazon: https://bit.ly/49J6SvU Best Buy: https://bit.ly/3ZAeBGu Learn more at the Aqara Forum: https://forum.aqara.com/?utm_source=kol Have you ever wanted to live in a world where the only thing you need to get in your house is your phone? Well now you can! The Aqara Smart Lock U400 is a sweet door lock that uses UWB technology to unlock your door when you get near it. If you don't have your phone, you can still use a standard key, pin code, or finger print too. Want us to unbox something? Make a suggestion at https://lmg.gg/7s34e ► GET MERCH: https://lttstore.com ► GET A VPN: https://www.piavpn.com/ShortCircuit ► GET EXCLUSIVE CONTENT ON FLOATPLANE: https://lmg.gg/lttfloatplane ► SPONSORS, AFFILIATES, AND PARTNERS: https://lmg.gg/partners Purchases made through some store links may provide some compensation to Linus Media Group. Affiliate links powered in part by https://affilimate.com/ Studio lighting by Aputure: https://aputure.com/ Linus Sebastian is an investor in Framework Computer, Inc and HexOS by Eshtek. CHAPTERS0:00 Intro 0:36 Unboxing 1:35 Installation 4:05 Pairing to the app 4:35 Testing it out 6:19 Outro Sun, 05 Apr 2026 23:53:53 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://vid.freedif.org https://vid.freedif.org/client/assets/images/icons/icon-1500x1500.png https://vid.freedif.org/videos/watch/470d97b4-970b-4447-a6b9-46f60cf85215 All rights reserved, unless otherwise specified in the terms specified at https://vid.freedif.org/about and potential licenses granted by each content's rightholder.