This is a rapid testing machine.
➡High accuracy
➡ Alarm sound
➡ Alarm light
➡C/F switch
➡ USB charging
➡ Infrared sensor
➡ Display screen
It's ideal for places such as;
Office, restaurants, banks, malls, hospitals, churches and institutions.
No need of a person to operate it, it's automatic.
With this you will make testing easy and your security personnel will be safe too.