Cov pa luam yeeb yog qhov tseem ceeb rau txhua lub tsev. Thaum lub sensor pom cov pa luam yeeb, lub tswb nrov ceeb toom rau cov neeg hauv lub tsev ntawm hluav taws.

Wireless tswb ceeb toom pa taws kuj muaj peev xwm xa cov lus nyob deb nroog thaum pom cov pa luam yeeb. Ua li no, lawv yuav ceeb toom rau cov neeg uas tsis nyob hauv lub tsev, piv txwv li los ntawm kev ceeb toom ntawm lub xov tooj smartphone.

Qee lub tshuab hluav taws xob tsis muaj pa taws tso cai rau kev sib txuas. Cov cuab yeej hluav taws xob sib txuas sib txuas tau nruab rau hauv lub tsev, thiab thaum ib qho ntawm cov cuab yeej ntes tau tshwm sim, tag nrho cov cuab yeej txuas txuas tau qhib kom ntseeg tau tias cov neeg nyob hauv ntau qhov chaw ntawm lub tsev kuj tau txais kev ceeb toom tam sim ntawm hluav taws.

380A