Handheld Oscilloscope Dimensions L x W x H: 40 x 115 x 180 mm Time basis: 5 ns...100 s/div Vertical sensitivity/div: 5 mV...5 V/div Weight: 0.65 kg Calibration: Calibration Delivery with: 1 Probes / Channel / Documentation CD / Hard Case / Mains Power Battery Charger / Rechargeable Battery / USB Cable Display: 3.8" / Colour Electrical supply: 100...240 V @ 50...60 Hz / Li-ion battery Guarantee: 3 Years Input coupling: AC / DC / GND Input impedance Ohm: 1 MOhm Instrument functions: Analogue Bargraph / Automated Search of Waveform Data / Backlight Interfaces: USB Device (Control and Connect with a PC) / USB host (Data Storage To USB Stick) Mathematical functions: Add / Subtract / Multiply / Divide / FFT Measuring function: Automatic parameter measurement / Continuity tester / Cursor measuring / Diode tester / Duty cycle / Internal memory / Min./max. value Protection rating: IP40 Safety stan(ISO CALIBRATED)