The BTMETER BT-90EPD Auto-Ranging Digital Multimeteris the perfect DIY hand tool for troubleshoot electrical problems in a widearray of industrial andhousehold devices such as electronic equipment, motorcontrols, domestic appliances, power supplies and wiring systems.It's compact, lightweight but durable and very easyto operate. It can measure AC/DC current, AC/DC voltage, resistance, continuity(buzzer), transistor anddiodes with a very high degree of accuracy. The testresults can be transmitted to the Mobile phone ( IOS & android ) in realtime via Bluetooth , and converted to Excel file . CATIV 600V / CATIII 1000V certificationmake sure working safety.The Auto back Light LCD display will help userworking in dark and dimly places. Includes attachable test leads & standfor hands free use and features protective rubber corner guards for dropprotection.Each unit comeswith one pre-installed 9V (6F22) Battery, 1 pairs of high quality Test Leads(for longer use) , temperature probe and User Manual.Specifications: Range Selection: Auto Ranging Max Display: 4000 DC Voltage: 400mV~ 1000V AC Voltage: 4V~ 750V DC Current: 400uA~ 20A AC Current: 400uA~ 20A Resistance: 400ohm~40Mohm Capcitance:51.2nf~100uFFrequency:5.12Hz~5.12MHzDuty cycle:0.1%~99.9%Temperature:-20℃~-1000℃(-4℉~1832℉)Auto LCD Backlight: Yes Overload protection: Yes Data Hold: Yes Diode Test: Yes Low Battery indication: Yes Auto power off℃/℉：yesRelative Value: yesMobile Phone APP ( Bluetooth )Battery test:1.5V~12VContinuity Test: Yes Power Supply: 9V(6F22) * 1pcsWhat's in Package? 1x BTMETER BT-90EPD Digital Multimeter1x 9V(6F22) Battery (Pre-installed)&nb 【Smart Bluetooth Connected Meter】This intelligent voltmeter can connect to your iPhone/Android phones allows you remotely monitor, log the data on your phone, and export in EXCEL or TXT files. Display all measurement on the same interface including: Max/min/current/average, on-screen graphing, real-time clock, sampling rate setting, export data to Excel/TXT. ✅(For iPhone, need to work with iTunes software to export the saved document.)✅ 【Loads of Features Electric Tester】It can measure AC/DC volt, AC/DC amps, Ohm,Capacitance(Nano farad ~ microfarad), Temp in ℃, Frequency, Duty cycle, Diode test, Continuity buzzer tester, Data Hold, Auto Backlit, 1.5~12V battery testing, Relative value measurement. 【Auto-Backlight Display】Built with a light sensor to sense the ambient brightness, turn ON /OFF backlit screen automatically, no more keep pressing a button back on forth during the measurement. Volt ampere meter storage case included allows you to put all accessories neat and together. 【Attached to Clamp-on Amp Probe】It’s more convenient to attach the BT-90EPD voltage ammeter to BT-605A AC/DC Amp Clamp-on Probe for amp logging. Allowing you remotely view and record voltages & currents of electric circuits, do not have to run back and forth checking. UPC 703546921753 ASIN B07C26STY2 Color 4000 Counts Multimeter Logger 90EPD Model 90EPD Brand Name BTMETER Style Name BT-90EPD Item Weight 150 Grams Part Number 90EPD Manufacturer BTMETER Power Source Battery Powered,electric Measurement Type Ammeter, Multimeter, Voltmeter Upper Temperature Rating 1832 Degrees Fahrenheit