Visonic GB-540

Model	GB-540
Vendor	Visonic
Description	Glass break detector
Exposes	vibration, battery_low, tamper, linkquality
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Exposes

Vibration (binary)

Indicates whether the device detected vibration. Value can be found in the published state on the vibration property. It's not possible to read (/get) or write (/set) this value. If value equals true vibration is ON, if false OFF.

Battery low (binary)

Indicates if the battery of this device is almost empty. Value can be found in the published state on the battery_low property. It's not possible to read (/get) or write (/set) this value. If value equals true battery low is ON, if false OFF.

Tamper (binary)

Indicates whether the device is tampered. Value can be found in the published state on the tamper property. It's not possible to read (/get) or write (/set) this value. If value equals true tamper is ON, if false OFF.

Linkquality (numeric)

Link quality (signal strength). Value can be found in the published state on the linkquality property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.