Features:1. Don't need to Guess Which Batteries to Keep and Which to throw Away2. Checks power level of all 1.5V & 9V batteries3. Easy to read, colour coded meter indicates power level4. The battery tester may be used to test the following sizes:a. 1.5V: AAA, HP16, MN2400, R03AA, HP7, MN1500, UM3C, HP11, MN1400, SP11, LR14, UM2D, HP2, MN1300, SP2, R20,UM1b. 9V: PP3, MN1604, 6F22, 006P How to Use:1. Place your battery between the two points of the battery tester, and the easy-to-read display will tell you instantly whether you have a dud, or if you can eke out another few minutes of battery life.2. Three result: red=replace, yellow=low power, green=good3. If needle does not move, check that battery is touching both contacts before assuming it is completely dead. NOTE:1. The battery tester is activated by the battery being checked. Keep test times as short as possible, to avoid unnecessary battery drain.2. AAA battery not includedSpecification:Color: BlackItem size: 110*59*25mmNet weight: 51g Packing content:1 x Battery Tester