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 2/4-port battery controller MAX921S-A

 1. Small size 2-port controller which can be put above or below counter easily

2. Alarm will be triggered once the bottom contact is released

3. Alarm will be triggered once the sensor is disconnected from controller

4. Lockable connector avoids accidental disconnection

5. All-metal surface provides better hands and visual experience

6. Able to work with ProKEY to set one unique code per store

7. Replaceable battery, service life:1-2 years 8. Alarm volume: 95dB