Digital tester with LCD display for batteries It does not support the detection of rechargeable batteries and carbon-zinc (R) batteries. Characteristics Material: ABS Black colour Dimensions: 92 x 63 x 14mm Easy to read: LCD graphic display C, AA, AAA, D, N, 9V (6F22) and 1.5V batteries 9V: PP3, MN1604, 6F22, 006P 1.5V: AAA, HP16, MN2400, R03 AA, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20, UM1  It doesn't need batteries to work