-138 PRO is a highly practical and cost-effective MINI handheld oscilloscope launched by , which is aimed at the maintenance industry and the education industry.The oscilloscope has a real-time sampling rate of 2.5MS/s and a 200KHz bandwidth.With full trigger function (single, normal, automatic),Works perfectly for both periodic analog signals and aperiodic digital signals.Voltages up to 400V can be measured.Equipped with efficient one-key AUTO, the measured waveform can be displayed without cumbersome adjustment.The display is equipped with a 2.4-inch high-definition LCD screen with a resolution of 320 x 240.Built-in 1000mah high-quality lithium battery, a full charge can be used continuously for about 5 hours.: ELECTRICALModel Number: -138 PROIS Battery Demountable: YesType: Acolor:As shownMaterial:plastic+metalPackage Contents:1 x Handheld Digital Oscilloscope Kit(With Battery)(Tag Random, cannot the specified tag)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.