KYORITSU Digital Simple Earth Resistance Meter with Bluetooth Smart KEW 4300BT

A simple measuring device specializing in simple ground resistance measurement (2-pole method)! 200/2000Ω 2 range auto. Buzzer notifies you when 100Ω or less AC/DC voltage measurement (AC is true RMS value) Equipped with an LED light that illuminates the measurement location (automatically turns on/off by illuminance sensor) Communication interface: Equipped with Bluetooth 4.0 LE (Bluetooth SMART), Android 5.0 or higher, iOS 10.0 or higher