ITEM NAME:Digital Din-Rail LED Voltage Ammeter Current Meter Voltmeter AC80-300V 0.2- Z2D6 Digital Din-Rail LED Voltage Ammeter Current Meter Voltmeter AC80-300V 0.2- Z2D6 Digital Din-Rail LED Voltage Ammeter Current Meter Voltmeter AC80-300V 0.2-99.9A Dual Display 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 0.2-99.9A Power supply: Installation: Din-rail Accuracy: 1%  ± 2digit Measurement speed: about 2 times per second Display type: 0.5"" LED digital tube Display size: 5 * 4cm / 2 * 1.6in Installation width: = 3P (DZ47/C45, air switch position) Product size: 8 * 5.5 * 6.5cm / 3.1 * 2.2 * 2.6in Product weight: 124g / 4.4oz Material: flame retardant engineering plastic Package including: 1 * Digital Din-rail AC Voltmeter / Ammeter Note:Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is  ±1-3 cm..Display type: 0.5"" LED digital tube. Product size: 8 5.5 6.5cm / 3.1 2.2 2.6in. Installation width: = 3P (DZ47/C45, air switch position). Display size: 5 4cm / 2 1.6in. Used to monitor the operation situation of appliances.".