1) portable and convenient 2)Diode and Buzzer function 3) Low battery indication4) Overload protection Digital clamp meter MT 87MT87 CLAMP METER 1. Multi use, 6 function, 7 range 2. Digits LCD with a Max. reading of 1999 3. Diode and BuzzerMT87 CLAMP METER· Multi-use, 6 function, 7 range · 3 1/2 digits LCD with a Max. reading of 1999 · Diode and Buzzer function · Low battery indication · Overload ...