The MT785 is a True RMS AC and DC watt clamp on meter with Bluetooth. This meter provides save, noninvasive measurements of up to 240kW. The light weight, portable, battery powered clamp meter measures the most common ACV, DCV, ACA, DCA and Resistance needed to trouble shoot residential and small commercial electrical systems. The readings are displayed on a 4000 count LCD display and the meter has a back light ideal for use in dimly lit areas. The MT785 is housed in a double injection rubber casing.