Features: Achieve laboratory grade accuracy with the 4½digit digital multimeter, delivering accurate potential, current, and resistance measurements for professional electrical diagnostics and equipment calibration. Lightweight ABS construction ensures exceptionals durability and portability, featuring scratch resistant housing that outperforms traditional metal body multimeters in corrosions resistance and security. Designed for electricians, automotive technicians, and electronics engineers who demand multifunctional testing capabilities including button battery ,alkaline battery,leads-acid battery,lithium polymer battery,lithium-ion battery analysis alongside standard electrical parameter measurements. Optimized for workshop diagnostics, field maintenance operations, and outdoor electrical inspections with its compact form factor and antislip . Multifunction Multimeter Battery Internal Resistance Tester 25000Count Multimeter Specifications: Component: ABS Size:Approx.149x76x33.5mm/5.86x2.99x1.31inch Option Type:1set XR1 Digital Multimeter,1set XR1 Digital Multimeter with Bag, Battery Capacity:2000mAh Temperature Measurement Ranges:-20°C~1000°C（-4°F~1832°F) voltages:AC750V Resistance:1000V voltages:DC250MQ Capacitance:99mF Function:4 1/2digit digital multimeter Supports voltages,resistance,capacitance,continuity buzzer,frequency,diode testing; Package Includes: 1set XR1 Digital Multimeter note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.