Details

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DESCRIPTION

• Wi-Fi enabled, 4.9" LCD display, 5 physical buttons
• Support DC powered and 2 x AA Alkaline / Lithium batteries powered (Batteries not included)
• Calendar, date, time, alarm & snooze,  5 levels backlight adjustable, unit setting, record max & min value, RST function (Clear daily max/min values)
• Built-in temperature humidity sensor, and barometric pressure sensor Support receiving and displaying multi- channel temperature and humidity sensors/ transmitters
• The display can be used as a Wi-Fi gateway to support the reception of more sensors' data, which can be viewed via the web
• Supports Wi-Fi configuration on web page, viewing more sensors' data, setting server, setting calibration parameters, setting Sensor ID
• With Wi-Fi function, supports for uploading data to the weather station server

WN1820_C Display
Measurement	Range	Accuracy	Resolution	Working condition
Barometric	300 to 1100 hPa (8.85 to 32.5 inHg)	Absolute pressure: ±1.5hpa; Relative pressure: ±2hpa	0.1hPa (0.01 inHg)	Recommend
Temperature (Indoor)	0°C to 50°C (32°F to 122°F)	± 0.2°C (± 0.4°F)	0.1°C (0.1°F)	Recommend
	-40°C to 60°C (-40°F to 140°F)	± 0.6°C (± 1.0°F)	0.1°C (0.1°F)	LCD display
Humidity (Indoor)	30% to 70%	± 1.8%	1%	Recommend
	1% to 99%	± 3%		Normal

• Power supply: 5V ⎓ 1.0A 5.0W
• Backup power: 2 x AA batteries (Support Min. 24 hours working)

WN31 Sensor
Measurement	Range	Accuracy	Resolution	Working condition
Temperature	0°C to 60°C (32°F to 140°F)	± 0.3°C	0.1°C	Recommend
	-40°C to 0°C (-40°F to 32°F)	± 1°C		Battery may not work
Humidity	10% to 90%	± 5%	1%	Recommend
	1% to 99%	± 7%		Normal

• Sensor (backup): 2 x AA 1.5V battery (not included)
   
• RF Transmission distance in open field: 150 m (500 ft.) depending on environment
• RF frequency: 433/868/915 MHz depending on location
• Sensor reporting interval: 61 seconds
   
• Wifi Transmission distance in open field: 50 m (165 ft.) depending on router and environment
• RF Frequency: 2.4 GHz
• WLAN and Ethernet: 802.11 b/g/n (802.11n, Max 150 Mbps)
• Updates on the Internet: Customize 1-5 minutes (recommend 1 minute)