This is useful for monitoring freezers and similar equipment which is dependent on a constant power supply.
The alert is sent with the help of a small inbuilt battery in Central Unit which normally lasts for a couple of hours after a power failure. When the power is restored the battery is automatically recharged.
This large capacity unit can control up to 64 wireless devices.
Otherwise same functionality as GSM ECO-Comfort but with Modbus and RS485 in addition and intended for installation in the fuse box.
See GSM ECO-Comfort for more details.