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 adjustment2. MORE CONTRAST: The digital oscilloscope multimeter has 50MHz bandwidth, 280MS/s sampling rate, single or dual channel freely switching, data comparison is clearer3. 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 waveform4. 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 needs5. 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 beginnersSpecification:Item Type: Oscilloscope MultimeterModel: ZT-703SCount: 25,000Transmission Broadband: 50MSampling Mode: Real time samplingChannel: Dual channelSampling Rate: 280MS/sStorage Depth: 128KptsDisplay: 3.5in IPS color screenRange: Auto RangeDC Current: 10AAC Current: 10ADC Voltage: 1000VAC Voltage: 750VResistor: 250MCapacitance: 100mFFrequency: 1MHzBattery: 1 x li ion battery 2000mah.Package List:1 x Oscilloscope3 x Test Probe1 x Storage Box1 x USB Cable11 x Accessories1 x User Manual