Solution de système de sécurité et de surveillance MCCTV Actualités de CCTUNG — PCB Board

AI war epidemic, why is it integral? 1504M 2020  by Admin   Walk into the elevator room, press the floor button to go up and down, which is a common thing in our daily life. But after the recent outbreak of the new crown, such a move also has the risk of infection. Recently, the elevator of an office building in Hangzhou has attracted widespread attention. It is different from other elevators in that, after entering the elevator hall, you don't need to press the floor key with your fingers, you just need to shout to go to several floors, and...