RICHMETERS RM123 Multifunctional Digital Display Multimeter 19999 High Accuracy Counts Automatic Range BT Audio Multimeter A

Features:This product is an automatic range multi-function digital multimeter with 19999 word high accuracy display.The meter is driven by two lithium batteries (included or not included, optional), with true RMS measurement, LCD display, adjustable backlight brightness, clear reading, clock, alarm clock, BT audio, ambient temperature display.During measurement, it can connect BT to play music, which can add fun to your work.360 surround sound quality, double speakers, bass shock to feel differe