TASCAM DR-40 4-channel linear PCM recorder, 24bit/96kHz high-resolution handheld recorder, for YouTube, ASMR, music, birdwatching, train recording, and voice recording. Purchased for indoor recording and stored in a dehumidified storage unit. The recording function has no issues. Also included are a wind screen (wind jammer) and carrying case, which were purchased and home-cleaned once but never used.