is 0-2MHz, the accuracy is up to 0.1Hz. The duty cycle-adjustment-range is 1%-99%. It can be used to calibrate new probes, drive mosFETs, replace crystals, etc. 3 Trigger Modes Design: Threr are 3 trigger modes design, Auto trigger mode, Normal trigger mode, Single trigger mode. Widely Applications: Suitable for mcu debugging, car repairing, home appliance repairing, DIY electronic competition, power-supply debugging, inverter, etc. Specicifations: Name: Oscilloscope Model: DS0154Pro Material: ABS Bandwidth: 1MHz/18MHz (Optional) Battery: according to you selection 1M Bandwidth: no battery included 18M Bandwidth: 1 * built-in rechargeable lithium battery, 3.7V, 1000mAh (included) Hardware solution: ARM 43;FPGA 43;ADC Screen: 2.4 inch TFT LCD Channel: 1 Resolution: 320*240 Sampling rate: 40MSa/s Rise time: lt;20ns Storage depth: 16Kbit Impedance: 1M Time base: 50ns-10s Vertical sensitivity: 20mV/div-10V/div Max voltage: 40V(x1);400V(x10) Input impedance: 1M Signal Generator: 0-500K frequency adjustable, fixed voltage 3.0V Trigger mode: Auto/Normal/Single Waveform measurement: 14 types Scroll mode: 200ms entering scroll mode Item size: 87 * 58 * 18mm / 3.42 * 2.28 * 0.71 in Package size: 1M Bandwidth Version: 150* 100* 40mm / 5.91* 3.94* 1.57in 18M Bandwidth Version: 200* 110 * 40mm / 7.87* 4.33* 1.57in Package weight: 1M Bandwidth Version: 160g / 5.64ounce 18M Bandwidth Version: 250g / 8.82ounce Packing List (1M Bandwidth Version): 1 * Oscilloscope 1 * Cable 1 * Bracket 1 * Guideline OR Packing List (18M Bandwidth Version): 1 * Oscilloscope 1 * Probe 1 * Cable 1 * Bracket 1 * Guideline