Please note (very important): 1. The upgraded battery tester can be used without a coin cell battery (if you received an upgraded battery tester, you do not need to install a battery) 2. 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 a carbon-zinc battery, please check it yourself before purchasing. If you have any questions, please contact our customer service to answer your questions. Material: ABS Color: silver, black Size: 92*63*14mm feature: Easy to read: LCD bar graph display, easy for you to read. Material: ABS structure, durable. Function: ★ Upgrade: ➤ Wide range of tests, including C, AA, AAA, D, N, 9V (6F22) batteries and 1.5V buttons 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 various button batteries Package includes: 1* Digital Battery Tester 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool. 【High-Quality Materials】Crafted from premium, durable materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety. 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. Note: Please allow 1-3 mm error/1-3g weight error and actual product color may vary due to lighting conditions.