Accurate DC/AC digital clamp meter for current measurement. 10mA high resolution on 40A DC/AC range. One touch zero for DCA adjustment. 23 mm diameter jaw. Large 3 3/4 digits LCD Fast bargraph display (20 times/sec.) for transient observation. Continuity and frequency measurements. Max/Min and Data Hold functions. 600V overload protection for ohm measurement. Easy single rotary switch for any function selection. Ideal for works in crowded switch box or cable areas.