This Hub secures up to 4 products with alarms without charging. The M4 Hub is a battery operated with 6 pin ports. The M4 Merchandise Alarm Hub also works with A2300052 PSU if connected.
M4 Product Features
■4 Port Master Unit
■Security Only
■Works with iButton Keys
■Internal Alarm (95dB)
■Compact Design
■Easy to install
