Sonoff DW2-RF Instructions D'installation page 6

SONOFF TECHNOLOGIES CO., LTD.
The device can be operated intelligently via working with the SONOFF 433MHz
RF Bridge to communicate with other devices.
The device can work with other gateways supporting 433MHz wireless protocol.
Detailed information is in accordance with the final product.
Operation instruction
1. Download APP
2. Install batteries
2-1. Remove the back cover of the transmitter.
2-2. Insert batteries into the battery compartment based on identifiers of positive
and negative poles.
2-3. Close the back cover.
The battery is not included, please purchase it separately.
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