1. The signal generator is small in size, has many functions, easy to operate and easy to carry.2. The key layout is reasonable, all functions have independent corresponding keys, easy to operate.3. Built-in battery, low power consumption, long standby time.Feature:1. 618A multimeter with a touch screen, the screen is triple display LCD, main display, sub display, analog bar, the interface is simplified.2. Manual/Auto recognition measurement, and the measurement accuracy is high.3. Lightweight, portable and easy to carry, it is suitable for professional and home use.4. It is maximum display is 5999 (5 5/6) bit automatic polarity display, measurement method adopts double integral A/D conversion.5. It has continuous power operation function, low voltage display, and over range display, the highest position shows "OL".Specification:Item Type: Digital MultimeterMaterial: ABSColor: As shown in the pictureDisplay Mode: Triple display LCD; main display, sub display, analog barMaximum Display: 5999 (5 5/6) bit automatic polarity displayMeasurement Method: Double integral A/D conversionSampling Rate: about 3 times per second;Over Range Display: The highest position shows "OL"