??????MULTIFUNCTIONAL MULTIMETER ???4000 LCD display Auto Ranging Digital Multimeter, Accurately measure AC DC Current, Voltage, Ressistance, Capacitance, Frequency, Duty Cycle, Featured Diode Test, Continuity Alarm, Data Hold, Auto Back-light, Auto Power Off, NCV, Relative Value,Diode Test ??????DOUBLE FUSES??? This digital voltage current meter tester equipped IEC 61010-1 & CATIII 600V 2 easily accessible fuse overload protection on all ranges. Safely and accurately for you to troubleshoot a variety of electric problems for circuit ??????AUTO-BACKLIT SCREEN???Built with a light sensor to sense the ambient brightness, turn ON /OFF backlit screen automatically, no more keep pressing a button back on forth during the measurement. Volt ampere meter storage case included allows you to put all accessories neat and together. ??????HANDS FREE???Built-in test lead holder, rear magnet, kick stand, wrist/hand strap, allowing you hanging it, wearing on wrist, attaching it on ferric surface for better viewing. More importantly, hands free makes it much easier to check circuits. ??????12 MONTHS WARRANTY???Included all accessories you need: 1x BT-39K Electric Meter, 1x Magnet on the back, 1x Wrist Strap, 1x Multimeter Fabric Case, 2x1.5V batteries, 1x User Manual. Lifetime after-sale service, 100% guaranteed to let you buy this auto range mutimeter confidently.