Features: The battery tester offer precise voltage measurement for various battery types, ensuring your devices operate smoothly. Featuring a LCD screen for realtime voltage readings, it is for AA, and 9V batteries, and boasts a portable designs for ease of use. For household users, electronics enthusiasts, professional technicians, and anyone needing frequent battery check. Perfect for home appliance battery testing, travel battery check, laboratory equipment maintenance, and outdoor power assurances. Crafted from ABS materials, this battery tester is a essential tool in any toolkit, providing reliable performances and convenience. Specifications: Component:ABS Color:Black Size:Approx. 61x110x25x41mm/2.4x4.33x0.98x1.61inch Package Includes: 1pcs Battery Voltage Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.