Features:Display the AC voltage and current simultaneously by LED digital tube.Din-rail installation and easy measurement， just connect to power and lead the wire through the hole.Wide voltage and current measurement range.Used to monitor the operation situation of appliances.Specifications:Measurement range: AC 80-300V 0.2-99.9APower supply: < 0.2V*AInstallation: Din-railAccuracy: 1% �� 2digitMeasurement speed: about 2 times per secondDisplay type: 0.5" LED digital tubeDisplay size: 5 * 4cm / 2 * 1.6inInstallation width: = 3P (DZ47/C45， air switch position)Product size: 8 * 5.5 * 6.5cm / 3.1 * 2.2 * 2.6inProduct weight: 124g / 4.4ozPackage size: 8.8 * 7.4 * 6.1cm / 3.5 * 2.9 * 2.4inPackage weight: 144g / 5.1ozPackage including:1 * Digital Din-rail AC Voltmeter / Ammeter