ST804 Temperature & Humidity  Detector Features： ◆Built in 868/923MHz Transceiver module with excellent operation range up to 250M ◆Measurement & trigger setting ranges: -20.0℃∼50.0℃ (-4.0℉∼122.0 ℉) ◆Max. & Min. Ranger Hold ◆LCD  panel with backlight display ◆Table or Wall mount use ◆3 x 1.5V AA type battery operation ◆Battery Lift time Up to 3 Year ◆Built in Beep Tone ◆0°C freeze indication ◆Compatible with range of Everspring U-Net Command Wireless Device ◆Able to learn ID code up to 12 devices
Specification：
Frequency	868/923MHz
Max Learn Device	12
Operation Range	Up to 250M
Operation Environment	-20℃ ~50℃, 90% RH Max.
Auto Binding	Manual
LED Indication	LCD(Blue LED Backlight)
Power	3 x 1.5V (AA)
Low Battery Indication	Yes
Battery Life	Up to 3 Year

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