Feature: 1. 1. Easy reading: LCD bar graph display for your easy reading. 2. 2. Material: ABS construction, durable for long time use. 3. 3. Portable: Lightweight, easy and convenient to carry. 4. 4. Perfect for home use: Great small tool can tell you if your battery is good, low, or needs to be replaced. A must buy for anyone who uses regular or rechargeable batteries on a regular basis. Specification: Material: ABS Color: silver,black Size: Upgrade: 92*63*14mm Basic: 113x64x30mm Battery: Upgrade:1*LR441.5V button cell (not included) Basic:1*AAAbattery(not included) Function: Upgrade: Wide test range includes C, AA, AAA, D, N, 9V(6F22) batteries and 1.5V button cell Basic: 9V: PP3, MN1604, 6F22, 006P 1.5V: AAA, HP16, MN2400, R03 AA, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20,UM1 All kinds of button cell Tips: The Upgraded Battery Tester does not support the detection of rechargeable batteries and carbon-zinc batteries(R). The battery marked with the letter R is carbon-zinc batteries. Please check for yourself before purchasing. If you have any questions, please contact our customer service to answer your questions. Package included: Package List: Note: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding 2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item.