Sonoff ZigBee SNZB-01 Manuel D'instructions page 11

English
SONOFF TECHNOLOGIES CO., LTD.
Installation methods
1. Placed on the desktop for use.
2. Tear off the protective film of the 3M adhesive and stick the
device on the desired area.
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Do not install on the metal surface, otherwise it will affect the wireless
communication distance.
The device weight is less than 1 kg.
The installation height of less than 2 m is recommended.
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