No more guesswork - now you'll know the voltage right away! Great for safety - used by both do it yourselfers and professionals. Works for DCV - ACV - DCA - OHM. Digital readout in 3.5'' LCD. DCV: up to 1000VDC - ACV: Up to 750 VDC - DCA: up to 10A (not fused) - Resister(ohm): Up to 2000Kohm - Temperature: -40 Cel ~ +1000 Cel - Transistor (hFE): NPN/PNP Vce approximately 2.8V. It doesn't come with a case. Detachable pair of leads included as pictured. Package Dimension: 4'' X 5.5''