Feature: 1. CLEAR DISPLAY: Oscilloscope multimeter 3.5 in large screen display with one click automatic waveform measurement function can clearly display the measured signal waveform without complicated adjustment 2. MORE CONTRAST: The digital oscilloscope multimeter has 50MHz bandwidth, 280MS/s sampling rate, single or dual channel freely switching, data comparison is clearer 3. WAVEFORM SAVING AND SCREENSHOT SAVING: Long press the SAVE button of Ohm Volt tester for 2 seconds to save the screenshot to view the full screen picture and perform secondary analysis of the saved waveform data. You can also connect to the computer via USB cable to obtain the stored waveform 4. MEASUREMENT OBJECT: The signal generator can provide a variety of frequency, waveform output, arbitrary waveform measurement display, a variety of waveform measurement, to meet your daily needs 5. PORTABLE WITH LONG BATTERY LIFE: Featuring a 2000mAh rechargeable lithium battery, the ZT-703S ensures extended operational time without frequent recharges. The ABS body is suitable for both fieldwork and laboratory use. simple and efficient to use for both professionals and beginners Specification: Item Type: Oscilloscope Multimeter Model: ZT-703S Count: 25,000 Transmission Broadband: 50M Sampling Mode: Real time sampling Channel: Dual channel Sampling Rate: 280MS/s Storage Depth: 128Kpts Display: 3.5in IPS color screen Range: Auto Range DC Current: 10A AC Current: 10A DC Voltage: 1000V AC Voltage: 750V Resistor: 250MΩ Capacitance: 100mF Frequency: 1MHz Battery: 1 x li ion battery 2000mah. Package List: 1 x Oscilloscope 3 x Test Probe 1 x Storage Box 1 x USB Cable 11 x Accessories 1 x User Manual