Multi-functional digital display meter can measure the AC voltage and current, active power, apparent power and power factor at the same time. Adopting high-strength fire-retardant material, safe and reliable. High measurement accuracy, stable performance, Compact size and sturdy structure, easy installation. No external AC transformer is required for measuring current within 99.9A. Simply pass the wire of the measurement loop through the small round hole on the right side of the meter to complete the measurement. Measurement voltage: AC80-300V/ AC200-450V Measuring current: AC100A Measurement accuracy: 0.5% Installation: 35mm din rail installation colour: white Material: plastic Package Contents: 1 * digital energy meter Only the above package content, other products are not included. Note: Light shooting 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.