Description: "DSO152" is a highly practical and cost-effective handheld oscilloscope launched by our company, aimed at the maintenance and research education industries. The oscilloscope has a real-time sampling rate of 2.5MS/s, a bandwidth of 200KHz, and complete trigger functions (single, normal, and automatic). It can be used freely for both periodic analog signals and non-periodic digital signals and can measure voltages up to 400V. Equipped with an efficient one-key AUTO, it can display the measured waveform without cumbersome adjustments. Equipped with a 2.8-inch 320 x 240 resolution high-definition LCD screen. Built-in 1000mAh high-quality lithium battery, can be used continuously for about 4 hours after fully . DSO152 Product Manual:https://.mediafire.com/file/nw0pmda15bg5yaz/-152%25E8%25AF%25B4%25E6%2598%258E%25E4%25B9%25A6.pdf/file Color: As Shown Material: plastic Model: B-(High Version) Package Contents: 1 x Handheld Digital Oscilloscope 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.