Technical data: Rated Voltage:100-240V AC 50 or 60HZ Measurable Current Range:0.2-63A Wireless Protocol:ZigBee mounting:DIN Rail 35mm(EN 60715) Ambient Temperature Range:-10C - 55C Function: In the APP can display: Today Ele(KWh), Current Ele(mA), Current Power(W), Current Voltage(V), Total Ele(KWh) Note before order: The meter needs to be connected to a ZigBee gateway to function properly.It only support the current range 0.2-63A device measurement. Color: White Material: plastic Specification: 63A Package Contents: 1 x Smart Energy Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.