Fangrui Product Details This Oscilloscope Has A Real-time Sampling Rate Of 48ms/s, 10mhz Bandwidth, And Complete Triggering Function (single, Normal, Auto). It Can Be Used Freely For Both Periodic Analog Signals And Non Periodic Digital Signals, And Can Measure Up To 400v Voltage With An Efficient One Click Auto, Which Can Display The Measured Waveform Without Complicated Adjustments. Equipped With A 2.8-inch 320x240 Resolution Hd Lcd Screen And A Built-in 1800mah High-quality Lithium Battery, It Can Be Used For About 7 Hours When Fully . [data Storage And Export]: The Data Of This Graphic Oscilloscope Meter Can Be Saved And Exported To Your Flash Drive, Computer, Pc, Etc. [rechargeable]: The Handheld Oscilloscope Comes With A Rechargeable Battery And Charging Cable, Ensuring That You Have To Worry About Running Out Of Power During The Measurement. [carrying Case]: The Digital Oscilloscope Comes With A High-quality Eva Carrying Case, Which Is For Use . Colour:as Shown Material:abs Package Contents: 1 * Digital