Voltcraft-Green-Line-Digital-Multimeters-Voltcraft-VC290-P-The-Voltcraft-Green-Line-VC-290-Digital-Multimeter-provides-entry-level-class-in-professional-measuring-technology-for-all-applications-up-to-600V-BR-BR-Well-designed-with-a-number-of-outstanding-features-the-integrated-High-Cap-capacitor-enables-a-batteryless-operation-&-can-be-recharged-optionally-via-the-solar-cell-or-via-the-230V-mains-voltage-making-this-device-ideal-for-people-who-use-it-often-as-well-as-occasional-user