WS90
1. ECOWITT user\'s manual
PDF
7 in 1 Outdoor Sensor WS90 English Manual-0318
WS90 User Manual031425
2. ECOWITT Firmware
PDF
WS90 Series Firmware Release Notes
11/26/2025
Download
PDF
WS90&WN90LP Upgrade Toolkit Linux/MacOS
6/2/2023
Download
ZIP
WS90&WN90LP Upgrade Toolkit Windows PCs
4/9/2025
Download
ZIP
WS90 series Firmware V1.5.9
11/26/2025
Download
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