Smart tsheb nres tsheb xauv, feem ntau, peb kuj hu ua chaw nres tsheb flap lock, chaw nres tsheb barrier, chaw nres tsheb flap barrier, nres nres nres. Hauv txawv teb chaws, nws tuaj yeem ua haujlwm ua ke nrog chaw nres tsheb tsis siv neeg them nyiaj lossis app them nyiaj.
Ntawm no yog qhov chaw nres tsheb flap xauv nrog mains fais fab mov xaj raws li kev tsim khoom.
Lub tsheb nres qhov rooj xauv yog qhov chaw nres tsheb tseem ceeb tshaj plaws ntawm COMA. Peb tuaj yeem muab kev pabcuam ib-nres rau cov neeg siv khoom. Kev tsim khoom, kev xa khoom, kev qhia hauv online, lossis txawm tias qhov chaw teeb tsa thiab kev taw qhia.