1Flexible clamp, convenient to use. 2It can identify the measured signals and display the result automatically. 3LCD display with backlight and flashlight, easy to operate and read. 4Data hold function, low battery indication, auto power off. 5Perfect for electrical devices testing and maintaining. This flexible Clamp meter is a portable handheld professional detector that measures AC current and frequency. Suitable for electrical equipment testing and maintenance. Features: Flexible clamp, convenient to use.It can identify the measured signals and display the result automatically.LCD display with backlight and flashlight, easy to operate and read.Data hold function, low battery indication, auto power off.Perfect for electrical devices testing and maintaining.Technical IndexRangeAccuracyPM2019A (Optional)PM2019S (Optional)AC Current30A/300A/3000A (3.0%+5) (3.0%+5)DC Voltage6V/60V/600V (1.0%+3)AC Voltage6V/60V/600V (1.2%+3)Resistance6k/60k/600k/6M (1.0%+3)Frequency40Hz-1kHz (1.0%+2)20Hz-1kHz (1.0%+2)SpecificationOptional ModelPM2019APM2019SBrandPEAKMETERDisplay6000 counts6000 countsData HoldYesYesLightingYesYesBlacklightYesYesTrue RMSNOYesBattery3pcs x 1.5V AAA Battery (NOT included)Clamp Diameter75mm/3inchSize (Approx.)16.5*11.3*2.5cm/6.5*4.4*1inch (as picture)Weight (Approx.)340g/12oz422g/14.9oz Optional ModelPackage ListPM2019A1 x Flexible Clamp Meter 1 x User ManualPM2019S1 x Flexible Clamp Meter 1 x User Manual 2 x Test ProbeNote: Only things package included, no other stuff.340g/12oz