Siglent SHS810 Handheld Oscilloscope, 100MHz, 2-Channel, Multimeter Mode, 5.7" TFT-LCD Display 100MHz handheld, two-channel digital oscilloscope for viewing electrical signals with multimeter mode for measuring voltage, frequency, duty cycle, and power Real-time sample rate of 1GS/s and record length of 2Mpts for acquiring up to 18 hours of detailed waveforms Advanced triggers for isolation of specific signals 5.7" color TFT-LCD with an internal 8 x 12 division grid for viewing waveforms Meets CAT II 300V and CAT III 150V safety rating