FNIRSI 215H Dual Channel 50MHz Digital Oscilloscope and Function Generator Review/Teardown

In this video, I did a review and teardown of a FNIRSI DS215H dual channel 50 MHz 250 MSa/s pocket oscilloscope. Product link: https://ban.ggood.vip/1m1dU Coupon code: BG77f685 Banggood 19th Anniversary Sale -- https://ban.ggood.vip/1mgpA #99BanggoodAnniv 00:00 Overview, size comparison 03:00 Power on, basic operations 07:09 Other features 09:38 Waveform acquisition behavior 10:54 AM/FM waveforms 12:46 Bandwidth test 16:28 Single shot 17:24 X-Y mode, Lissajous figures 19:42 Built-in signal generator 21:52 Teardown, conclusions