BT-168 Battery Tester, Battery Checker for Aa Aaa C D 9v 1.5v Button Cell Batteries Household Batteries Tester Battery Capacity Tester Features: Universal Button Battery Checker Tester Aa Aaa C D 9v Don't Consider Which Batteries to Keep and Which to Throw Away, 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. Checks Power Level of All 1.5v & 9v Batteries Easy to Read, Colour Coded Meter Indicates Power Level Tests 1.5v Miniature Cells Three Result: Red=replace, Yellow=low Power, Green=good If Needle Does Not Move,check That Battery Is Touching Both Contacts Before Assuming That It Is Completely Dead. Descriptions: the Battery Tester May Be Used to Test the Following Sizes: 1.5v: Aaa, Hp16, Mn2400, R03 Aa, Hp7, Mn1500, Um3 C, Hp11, Mn1400, Sp11, Lr14, Um2 D, Hp2, Mn1300, Sp2, R20,um1 9v: Pp3, Mn1604, 6f22, 006p Specifications: Original Box: No Color: Black Item Size: 110x59x25mm Type: Household Battery Tester Diy Supplies: Electrical Model Number: Battery Tester Package Content: 1 X Battery Tester Note: the Battery Tester Is Activated by the Battery Being Checked. Keep Test Times as Short as Possible, to Avoid Unnecessary Battery Drain. Aaa Battery Not Included