Battery Tester, Tests 3V Lithium, 6V Photo Cells, 1.5V Nickel Cadmium, 1.5V "N" Cells, 1.5V Button Cells, 9V, 12V, 15V & 22.5V Lantern Cells, Standard Rechargeable "AAA", "AA", "C" & "D", 1.5V Cells, Uses An Analog Type Meter With A 9 Position Rotary Selector Switch, Includes Test Leads & Instructions, Year Warranty.