Having BT feature for wireless control on app, this functional clamp meter provides multiple types of accurate measurement for professionals. Comes with 2 test leads and a thermocouple wire, it also features LED flashlight, backlit, auto shut-down, and data hold for more convenient use.   Features: Provide accurate measurements of DC/AC voltage, AC current, resistance, capacitance, NCV, Continuity, Hertz, Diode, and temperature(℃/℉).  The BT clamp meter with App enables you to remotely operate it. Compatible with Android and iOS device.  Non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires.  Live/Null wire detection. There will be an audible beep, blinking red LED, and "- -" displayed on screen if detects the live line.  Surge current measurement. When the starting voltage of the air conditioner exceeds the normal voltage, the surge current reaches 4A.  Readings can be clearly seen in dim-light area with backlit LCD display and flashlight features.  Comes with 2 test leads with dust plugs and nip caps and 1 thermocouple wire for temperature measurememt.  Comes with a portable carrying bag with loop and fastener attachment for easy transportation.   Note: *Batteries not included.  *To avoid possible electrical shock,fire,or personal injury, please read all safety information before you use the products.  (1)Do NOT exceed the "maximum value" indicated in the Specification.  (2)Examine the connection of the test leads and the insulation of the product before measuring voltage higher than 36V DC or 25V AC.  (3)Disconnect the test leads from the circuit before changing the mode.  (4)Misuse of the mode or range can lead to hazards, be cautious. "OL"will be shown on the display when the input is out of the range.   Specifications: Material: ABS;  Color: Orange / Black / Red / Blue (optional);  Display(LCD): 6000 counts;  Max. Jaw Opening: 27mm / 1.06in;  Auto-ranging: Yes;  True RMS: Yes;  Auto Shutdown: no operation within 15 minutes;  Battery Type: 1.5V, AAA Battery, 2pcs (not included);  Test Lead Length: 80cm / 2.62in;  Item Size: 15.87*8*4cm / 6.24*3.14*1.57in;  Item Weight: 160g / 5.64oz;  Package Size: 21*10*4.8cm / 8.26*3.93*1.57in;  Package Weight: 325g / 11.46oz;   Packing List: 1 * Clamp Meter;  2 * Test Lead;  1 * Thermocouple;  1 * Carrying Bag;  1 * Lanyard;  1 * User Manual