Lub ris tsho muaj txiaj ntsig sib tham sib xyaw ua ke sib tham yog cov khoom siv digital thiab sab nraum zoov cov chaw ua yeeb yam thiab sab nraum zoov cov chaw ua yeeb yam. Nws siv cov thev naus laus zis ntau tshaj plaws hauv Suav teb kom tib neeg kev txav thiab ntes cov kev hloov ntawm cov khoom txav ntawm lub vijtsam LED. Cov kev sib tw theem yog ua raws li cov khoom siv rub tawm, siv cov phiaj xwm tshaj lij ntawm kev ua lag luam, ua kom cov neeg siv kho tshiab, tso cai rau cov neeg siv kom muaj kev paub dhau los.
Lub sijhawm Post: NOV-09-2023