Things seem to be running a bit slow? Still running slow after you replace the batteries? Why waste time inserting and removing battery after battery when you can just test it? Never again get caught with a dead household battery. This handy battery tester makes it easy for you to get the most out of your batteries and lets you know when it is time to get a new one. Features - Color: Grey - Material: plastic - Size: 9.5x6x1.3cm/3.7x2.3x0.5inch - The battery tester may be used to test the following sizes: 9V battery: PP3, MN1604, 6F22, 006P 1.5V Battery: AAA, HP16, MN2400, R03; AA, HP7, MN1500, UM3; C, HP11, MN1400, SP11, LR14, UM2; D, HP2, MN1300, SP2, R20, UM1 - Dial type colour coded meter indicates power level. - Suitable for testing 1.5V and 9V battery. - How to read the results: red=replace, yellow=low power, green=good. - Activated by the battery being checked. Keep test times as short as possible, to avoid unnecessary battery drain. - If needle does not move,check that battery is touching both contacts before assuming.