This is an excellent true RMS multimeter that features a large, easily read display and carries an IP67 environmental rating. This means the multimeter is waterproof and will not be damaged if accidentally dropped into water or left out in the rain. The meter has data should and relative measurement capabilities and is housed in a robust, double moulded case. Includes leads, soft carry case and user manual. Features: IP67 waterproof True RMS Auto power-off Backlight Data hold & relative function Diode test Autoranging Audible continuity 10A current range Double moulded case Display 4000 count Security Class Cat IV 600V Basic DCV accuracy 0.500% Ave/RMS True RMS Input impedance 10M Special features IP67, data-hold, relative measurement, backlight Specifications Dust/Particle Ingress Protection : 6 - Dust tight, no ingress of dust Liquid/Moisture Ingress Protection : 7 - Immersion up to 1m IP Rating certificate : true Capacitance Ranges : 4nF, 40nF, 4µF, 40µF, 100µF Capacitance Accuracy : 3% Continuity indicator : Needle AC Current Ranges : 4mA, 40mA, 400mA, 10A AC Current Accuracy : 1.8% DC Current Ranges : 4mA, 40mA, 400mA, 10A DC Current Accuracy : 1.2% Frequency Ranges : 4kHz, 40kHz, 400kHz, 4MHz, 10MHz Frequency Accuracy : 1.5% Resistance Ranges : 400Ω, 4kΩ, 40kΩ, 400kΩ, 40MΩ Resistance Accuracy : 0.8% AC Voltage Ranges : 400mV, 4V, 40V, 400V, 1000V AC Voltage Accuracy : 0.8% DC Voltage Ranges : 400mV, 4V, 40V, 400V, 1000V DC Voltage Accuracy : 0.5% Data Hold : true Relative Measure : true Display Type : LCD Display Backlight : true Safety Rating Cat : Cat IV Safety Rating Max Volt : 600V Count Maximum Reading : 4000 count True RMS : true Autorange : true Measures duty cycle : true Length : 182mm Width : 82mm Depth : 55mm Size / Shape : 9V Battery quantity : 1pc Batteries included : true Batteries can be replaced by user : true Compartment location : Internal / In-built How is battery compartment kept closed : Clip and Screw Packaged Volume : 2.46l Packaged Weight : 0.66kg Packaged Length : 23.3cm Packaged Width : 13.2cm Packaged Height : 8cm Probe rating voltage : 600V Probe safety rating : Cat IV Meter Input Impedence : 10Ω Input Protection Fuse : 500mA, 10mA Measures diode : true Casing : Plastic Carry Case Included : true