Features 1、2.5Msps high‑speed sampling, 1MHz analog bandwidth (limited to ACV file oscilloscope), 4000 codes, excellent performance. 2、One‑key video, there are three waveform scanning modes: auto/normal/single. 3、Data waveform retention function, can store 100 groups of data, 10 waveforms, can better record data. 4、Multimeter functions include DC/AC voltage/current, resistance, capacitance, frequency, duty cycle, diode/continuity test. 5、Automatic/manual range switching, real‑time data and stored data are displayed on the same screen, easy to operate, and the test data is displayed clearly. Specification Item Type: Oscilloscope Multimeter Model: ET828 Material: ABS Power Supply: 3 x AA 1.5V Batteries (Batteries Not Included) Purpose: It is suitable for electronic measurement. Characteristic Display 240x320 Color Screen Observation Area Approx. 49.0x36.72mm / 1.9x1.4in Back Light Normally On Input Resistance 10MΩ Battery 3xAA1.5V Automatic Sleep 15 Minutes Or Disabled Static Working Current About 65mA Sleep Current About 35uA Continuous Use Time More than ten Hours (Battery Capacity Is about 65mAh) Storage Capacity DMM Data 100 Records, OSC Waveform 10 Records Use Environment 0°C~+40°C;<75%RH Storage Conditions -10°C ~ +60°C; <90%RH Package List 1 x Oscilloscope Multimeter (Battery Not Included) 2 x Test Lead 1 x Manual 1 x Tool Bag