KUSAM-MECO : KM807s 3-3/4Digits 4,000 Counts Fully Autoranging True RMS Digital Multimeter with Large LCD Display SPECIAL FEATURES : Basic Accuracy : 0.5% DCV ? 25ms Max Hold Fully Autoranging Data Hold Relative Zero Mode Auto power off Jack Beep audible warning against improper plug in Diode Test Fast audible Continuity Test Fire retarded case Splash proof construction. Backlight Display GENERAL SPECIFICATIONS Sensing : True RMS sensing AC Voltage & Current. Display : 3-3/4 digits 4000 counts backlight large easy to read LCD display. Update Rate : 3 per second nominal Polarity : Automatic o o Operating Temperature : 0 C to 40 C Relative Humidity : Maximum 80% R. H. For temperature upto 31oC decreasing linearly to 50% Relative Humidity at 40oC Altitude : Operating below 2000m ? Pollution degree : 2 ? Storage Temperature : -20oC to 60oC, < 80% R.H. (With battery removed) Temperature Coefficient : nominal 0.15 x (specified accuracy) / °C @ (0oC--18oC or 28oC--40oC), or otherwise specified Low Battery : Below approx 2.4V ? Power supply : Standard 1.5V AAA Battery x 2. ? Power Consumption : 3.2mA typical Sleep mode Timing : Idle for 30 minutes Sleep mode Consumption : 360?A typical Dimension : 186(L) x 87(W) x 35.5(H) mm ; 198(L) x 97(W) x 55(H) mm with Holster. Weight : Approx. 296 gms; 396gm with holster.