ITEM NAME:0-200V 300A Voltmeter Ammeter Digital Battery Tester Built-In Shunt Capacit Z1B6 0-200V 300A Voltmeter Ammeter Digital Battery Tester Built-In Shunt Capacit Z1B6 Measuring range: 0-200 v (less than 8 V external power required) Display as: 199 V Minimum resolution: 0.01 V Starting voltage: 0.05 V Measurement accuracy: 1% 0-300a (model: pzem-015), four ranges of 50A, 100A, 200A and 300A can be set according to external shunt specifications: Display format: less than 1A display if: 999mA Less than 10A displays such as: 9.99a Less than 100A is shown as: 99.9a 100A and more Display as: 199A Minimum resolution: 1 mA Start measurement 20mA (model no: pzem-015) Measurement accuracy: 1% Colour: Black Material: ABS Size: 90*50*25mm Package Contents: 1 * detector 6 * lines.1 detector. Less than 10A displays such as: 9.99a. Size: 90 50 25mm. Material: ABS. Colour: Black. Minimum resolution: 1 mA.