Security inspection

– High-tech like appearance and strong anti-interference ability.
– Easy to use and carry.
– High sensitivity.
– Sound and light alarm.
Connects to the external speaker.
– Three alarm modes:
Sound, vibration and voice.
– Uses a readily available AA battery.
It can work continuously for more than 70 hours.
– On standby for more than two minutes.
it will automatically fall asleep.
In case of more than 10 minutes of inactivity.
it will turn off.
– It has charging and low power indicators.