Fit For: AA/AAA/C/D/9V/15V Button Cell Battery (Batteries not included)This will keep you from wasting good batteries by throwing out good ones.Small and practical - Simple but effective little battery tester checker(BT-168) , compact size and lightweight,easy to carry.Testing defferent battery types - It works with standard and rechargeable household batteries: AA, AAA, C, D, 15V,9V and button type.Perfect for home use - Great small can tell you if your battery is good, low, or needs to be replacedA must buy for anyone who uses regular or rechargeable batteries on a regular basis.Color: blackRequire no battery to operate - Easy-to-read ,the analog display needle moves on a color-coded, calibrated scale to quickly identify good (green), low (yellow), and replace/recharge (red) battery status. No batteries required. It is activated by the battery being checkedPerfect for home use - Great small can tell you if your battery is good, low, or needs to be replacedA must buy for anyone who uses regular or rechargeable batteries on a regular basisThis will keep you from wasting good batteries by throwing out good ones.Application: 9V Batteries: PP3, MN1604, 6F22, 006P15V Batteries: AAA, HP16, MN2400, R03. AA, HP7, MN1500, UM3. C, HP11, MN1400, SP11, LR14, UM2D, HP2, MN1300, SP2, R20,UM1All kinds of button cellMaterial: plasticsize: 11*6*25cmPackage Contents:1* BT168 Universal Battery Checker TesterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.