Charge Amps Amp Guard is a smart, connected power monitor that optimises charging in relation to other loads in the property. Approx. 75 kWh/day. Charge Amps Amp Guard controls the charging current to maximise it without tripping any fuses. Charge Amps Amp Guard works with Charge Amps' Halo and Charge Amps' Aura charging stations. Handles 100 A straight out of the box, but a 400 A capacity model is also available. Is interoperable with solar cell installations Connected to cloud service via WiFi or LAN DIN installation or standalone Dimensions 108 x 97 x 57 mm Current USB 5 V, 2 A