Product Description
Feature:
Transmission range up to 328 ft
Transmission frequency: 433 Mhz,Update Rate: 60 seconds
Indoor Temperature range:?0℃~50℃（32℉ ~ 122℉）
Outdoor Temperature range:?-40℃~60℃（-40℉ ~ 140℉）
Remote temperature range:?lithium batteries: -40°F to 140°F, non-lithium batteries: -4°F ~ 140°F

Specifications:?
Weight: 210G?
Power Supply: 1 Main Unit 2*AAA(not included), 2 Transmitters - 4*AA (not included)
Package Includes: 1 Main Unit 2 Transmitters?(batteries not included)

Note:
Don't install the reverse battery,don't put the receiver near metal,don't put the transmitter directly in the rain
Pls kindly use high-quality batteries for main unit and transmitters,it's more better

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