Product model: BAVZ- Rated working voltage range: AC80-500V Current measurement range: 1-100A Installation method: DIN35MM standard rail LED light color: red Product name: Modular voltage and current Hertz meter Accuracy: 2% Rated frequency: 50-60Hz Frequency compatibility range: 1-99HZ Sampling rate: about 1 time/second Input circuit power consumption:Less than 2VA Note: The product cannot be used for batteries, electric vehicles or electric vehicles. Frequent starting, soft starting and frequency converter of non-sinusoidal wave inverters in of switch compliance burn out the instrument when measuring the back-end equipment! Colour:As Shown Material:Plastic Package Contents: 1 * Guide rail digital display instrument 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.