The principle of metal and large iron gate interference, these devices will cause a certain shielding and interference to the supermarket anti-theft device, thereby causing the supermarket anti-theft alarm.
Do not hang anti-theft labels around the supermarket anti-theft device, this side of the sticky note is easy to cause interference and alarm to the supermarket anti-theft device, thereby causing the sensitivity of the supermarket anti-theft to decrease.
Pull the power supply for the supermarket anti-theft device separately, because the supermarket anti-theft device is a precision equipment with high sensitivity requirements, it is better not to mix with other electrical equipment during use.