La Crosse Technology WIRELESS WEATHER STATION Instruction Manual page 69

To wall mount
Choose a sheltered place. Avoid direct rain and sunshine.
Before wall mounting, please check that the outdoor temperature
and humidity values can be received from the desired locations.
1. Fix a screw (not supplied) into the desired wall, leaving
the head extended out the by about 5mm.
2. Remove the stand from the Weather Station by pulling it
away from the base and hang the station onto the screw.
Remember to ensure that it locks into place before
releasing.
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