The sending unit and thermometer are on the same frequency. You would not be able to add additional sending units to match up to the same frequency.
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Honeywell Wireless Indoor/Outdoor Thermometer

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Description
Key Specs
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Product Summary
What's Included
- (1) Wireless thermometer
Downloads
Key Specs
| Attribute | Specification |
|---|---|
item# | 19759 |
Brand | Honeywell |
Ship Weight | 0.2 LB |
Max.Thermostat Temp | 158 °F |
| Attribute | Specification |
|---|---|
Min.Thermostat Temp | -4 °F |
Color | Multi |
Mounting Type | Other |
Dimensions L x W x H (in.) | 2.875 x 3.625 x 1.5 in |
Reviews
Questions & Answers
Questions
-
· 15 years ago
Do you sell the additional sending or outside units.
The base unit takes up to three sending units I believe.
1 answer-
ProductExpert6· 15 years ago
Helpful?
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Specifications
158 °F
99 °F
99 °F
-
-4 °F
32 °F
32 °F
-
Multi
Black
Brown
Black
Other
Other
Freestanding
Freestanding
2.875 x 3.625 x 1.5 in
7.6 x 5.25 x 6.0 in
8.54 x 2.24 x 11.06 in
5.5 x 6.8 x 2.3 in
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Rain Gauge
Weather Station
Weather Station
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