Aeotec by Aeon Labs ZW095 ZW095-A Home Energy Meter Gen5, Small, White Keep track of real-time electricity usage with 99% accuracy that reflects how much energy is costing you with this wireless Z-Wave Plus monitor (max 492 feet wireless range). Each box comes with 1 monitor and 2 clamps to detect two separate loads, each clamp meters up to 200 amps under 120 voltages. The monitor connects to mains power of the 2 phases system in the electricity box, as such a professional electrician may required for installation. Compatible with certified Z-Wave gateways including: Fibaro Home Centre 2, Indigo 7, HomeSeer, Vera, Open Z-Wave, OpenHUB, Zipabox, Qolsys IQ Panel, Home Assistant and more. Z-Wave Plus certified for quicker response time, better wireless range up to 490 feet in open space, and additional wireless security encryption. Certification number: ZC10-15040002.