2
manuals
Manuals & documents
View any document right in your browser, or download the PDF.
PDF
Quick Start Guide
Most used
PDF
User Manual
About this product
This page collects every official document Sonoff publishes for the 4CHR3/PROR3 (4CHR3/PROR3) — so you can install, troubleshoot, or check warranty terms without hunting through a drawer.