Smart Tweezers ST5-S Professional LCR Meter/ESR Meter with Spare Test Leads and Pocket Case Built-in high-precision LCR probe Convenient one-hand operation Ideal for Surface Mount Devices Automated component identification Automated test range selection Manual C, R, L, Z and ESR modes Test signal levels 0.5 and 1.0Vrms Swiss-made precise test leads Diode Polarity/Short Testing Secondary D, Q, ESR parameters Portable and ergonomic design Built-in Li-Ion battery Universal Micro USB charger High visibility OLED display ST52SAD Smart Tweezers unit Calibration Certificate Swiss-made straight test leads (installed) Premium Ideal-Tek spare test leads Clam shell carrying case Pocket hard case Universal 110-240V wall charger Micro USB cable for charging from a USB port