DescriptionUNI-T UT33B+ Digital Multimeter Current AC DC Voltage Resistance Diode Battery Tester Palm Size Multimeter.The new generation of UT33 products redefines the performance standards for an entry-level digital multimeter.The new LCD display layout provides a clearer display and a better user experience.The UT33 series enhances the safety standards of the product, ensuring that users can work safely in the CAT II 600V environment.UT33B for the battery test function, the resistance range up to 20MΩ entry-level digital multimeter; is an electrical priority digital multimeter.