La Crosse Technology WS-9625U-IT Instruction Manual page 4

INSTANT TRANSMISSION is the state-of-the-art
This product offers:
new wireless transmission technology, exclusively
designed and developed by LA CROSSE
TECHNOLOGY. INSTANT TRANSMISSION offers
you an immediate update (every 4 seconds!) of all
your outdoor data measured from the sensors:
follow your climatic variations in real-time!
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