4 inputs isolated by the opto-isolator.
3 voltage inputs, 0-12 v 4 analogue inputs type 4-20 ma.
Detects cuts off in a three-phase system, neutral included.
Check up phone call followed by an sms indicating the cause and current situation.
Intruders protection by several barriers.
Battery charger with failure indicator.
Lead-acid battery 12v/7ah.