Features: 1. Don't need to Guess Which Batteries to Keep and Which to throw Away 2. Checks power level of all 1.5V & 9V batteries 3. Easy to read, colour coded meter indicates power level 4. The battery tester may be used to test the following sizes: a. 1.5V: AAA, HP16, MN2400, R03 AA, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20,UM1 b. 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=good 3. 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 included Specification: Color: Black Item size: 110*59*25mm Net weight: 51g Packing content: 1 x Battery Tester This is ideal for electricians, technicians, owners of MP3, CD players, portable TVs, boom boxes, laser pointers, etc. It's quick and easy to use with large meter Test the capacity of your battery in seconds.