Master4 is a battery driven unit with optional PSU operation. It is easy to install and set into operation anywhere, anytime.

It is up and running right after you take it out of the box and put it on your display furniture.

You may as well hide it behind the furniture; in this case, the optional external e-reader provides you with convenient management.
A LCD panel makes handling simple; it shows status information and indicates which sensor set off the alarm.

Master4 protects up to 4 different devices.

The CR2450 battery provides a minimum life span of 12 months
By connecting the optional PSU, Master4 can also charge 5V gadgets such as phones, smartphones, e-readers, and some tablets.



  • Battery driven unit
  • “Out- of- the- box” solution
  • Easy to install and easy to operate
  • Minimal power consumption and maximum efficiency
  • 92 dB internal alarm equipped with a long-lasting lithium battery
  • 5V product power capability with optional PSU
  • Multiple merchandise protection for up to 4 different devices
  • 2-digit LCD display for easy operation status feedback
  • iButton keys for control functions
  • An optional external e-reader is available
  • Compact design