This is a 3-in-1 multifunctional tester, which can be used as a oscilloscope / multimeter / waveform generator. Handheld design, great for outdoor facility maintenance, rapid on-site measurement, automobile maintenance, power detection. etc. Features: 3-in-1 multifunction- in Oscilloscope mode, it features dual channel input with 40MHz bandwidth and waveform refresh rate up to 10,000wfms/s; in Multimeter mode, it can measure voltage, current, resistance, diode, capacitance and do continuity test; in Waveform Generator mode, it can output sine, square, ramp, pulse and built-in special waveforms with frequency up to 25MHz. Ergonomic design- its compact size makes it easy to carry outside, and it has a kickstand which allows it to sit securely on table. Comes with carrying bag for convenient storage. Large battery capacity- powered by two 2200mAh batteries, it can work continuously for about 6 hours on a single charge, and it can be easily charged via its USB interface by a adapter or portable battery. Large and clear display- equipped with a 3.5-inch high-resolution, high-contrast color LCD display, making it easy to read the numbers and waveform details. Easy to use- with simple button panel and intuitive interface, this device is easy to operate, suitable for outdoor facility maintenance, rapid on-site measurement, automobile maintenance, power detection. etc. Specifications: Brand: OWON Model: HDS242S Material: ABS Function: Oscilloscope + Multimeter + Waveform Generator Plug: US/EU/UK (optional) Battery: 2 * 2200mAh lithium battery Lithium Battery Charging Method: USB Type-C Item Size: 19.5*9.5*3.8cm / 7.68*3.74*1.5in Item Weight: 519g / 18.3oz Package Weight: 1100g / 38.8oz Package Size: 24*15.5*8.8cm / 9.45*6.1*3.46in Model HDS242 HDS272 HDS242S HDS272S Oscilloscopes Bandwidth 40MHz 70MHz 40MHz