DM6400 Features: -Digital multimeter.-Test lead input icons for correct lead placement.-Industry leading LCD display size.-Large digit display for easy viewing.-AC or DC voltage and current capable.-Data hold feature captures reading on the display.-Impact resistant housing with protective rubber boot. Specifications: -Operates from one 9 V battery. Dimensions: -Dimensions: 1.75" H x 6.75" W x 10.25" D.