Product comparison · 2 digital weather stations

Hama EWS-840 White vs Hama Hawaii Black AC Wi-Fi

14specifications compared
11differ
3identical
30known for one product only

Key differences

The Hama Hawaii Black AC Wi-Fi has 1 more batteries (receiver) than the Hama EWS-840 White (3 vs 2). The Hama Hawaii Black AC Wi-Fi has 127 mm more width than the Hama EWS-840 White (197 mm vs 70 mm). The Hama Hawaii Black AC Wi-Fi has 12 mm more depth than the Hama EWS-840 White (26 mm vs 14 mm). Only the Hama Hawaii Black AC Wi-Fi has weather forecast. Product colour: White on the Hama EWS-840 White, Black on the Hama Hawaii Black AC Wi-Fi.

Product colour
- EWS-840 White:White
- Hawaii Black AC Wi-Fi:Black
Measuring functions trend display
- EWS-840 White:Thermometer
- Hawaii Black AC Wi-Fi:Hygrometer, Thermometer
Weather forecast
- EWS-840 White:No
- Hawaii Black AC Wi-Fi:Yes
Temperature measurement range (inside) (T-T)
- EWS-840 White:32 - 122 °F
- Hawaii Black AC Wi-Fi:-10 - 50 °C
Temperature measurement range (outside) (T-T)
- EWS-840 White:-20 - 60 °C
- Hawaii Black AC Wi-Fi:-10 - 50 °C
Temperature measurement units
- EWS-840 White:F, °C
- Hawaii Black AC Wi-Fi:°C, F
Number of batteries (receiver)
- EWS-840 White:2
- Hawaii Black AC Wi-Fi:3
Width
- EWS-840 White:70 mm
- Hawaii Black AC Wi-Fi:197 mm

Side by side

Differences highlightedShow differences only

Comparison of EWS-840, Hawaii
44 specifications	A Hama EWS-840 White Model EWS-840 View product	B Hama Hawaii Black AC Wi-Fi Model Hawaii View product
Features7 differ
Product colourDiffers	White	Black
Measuring functionsDiffers	Indoor thermometer, Outdoor thermometer	Indoor barometer, Indoor hygrometer, Indoor thermometer, Outdoor thermometer, Outdoor hygrometer
Measuring functions trend displayDiffers	Thermometer	Hygrometer, Thermometer
Measuring functions alarmsKnown for one	Unknown — not stated by the source	Yes
Weather forecastDiffers	No	Yes
Outdoor sensorKnown for one	Unknown — not stated by the source	Yes
Humidity measuring range (inside) (H-H)Known for one	Unknown — not stated by the source	20 - 95%
Humidity measuring range (outside) (H-H)Known for one	Unknown — not stated by the source	20 - 95%
Clock/Date displayKnown for one	Unknown — not stated by the source	Yes
Moon phaseKnown for one	Unknown — not stated by the source	Yes
Number of sensors supported (max)Known for one	Unknown — not stated by the source	3
Number of week day indication languagesKnown for one	Unknown — not stated by the source	7
Operating frequencyKnown for one	Unknown — not stated by the source	2400 MHz
Remotely operatedKnown for one	Unknown — not stated by the source	Yes
Temperature measurement range (inside) (T-T)Differs	32 - 122 °F	-10 - 50 °C
Temperature measurement range (outside) (T-T)Differs	-20 - 60 °C	-10 - 50 °C
Temperature measurement unitsDiffers	F, °C	°C, F
Week day indicationKnown for one	Unknown — not stated by the source	Yes
Alarm functionKnown for one	Yes	Unknown — not stated by the source
Weather station extremum dataKnown for one	Thermometer	Unknown — not stated by the source
DCF radio clockKnown for one	Yes	Unknown — not stated by the source
Outdoor sensors rangeKnown for one	30 m	Unknown — not stated by the source
Displayidentical
Backlight displayKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Smart weather stationKnown for one	Unknown — not stated by the source	Yes
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power sourceKnown for one	Unknown — not stated by the source	AC
Number of batteries (receiver)Differs	2	3
Battery typeKnown for one	AAA	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	70 mm	197 mm
DepthDiffers	14 mm	26 mm
HeightDiffers	130 mm	124 mm
Ports & interfacesidentical
Connectivity technologyKnown for one	Unknown — not stated by the source	Wireless
Packaging contentidentical
Number of outdoor sensorKnown for one	Unknown — not stated by the source	1
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Battery includedKnown for one	Unknown — not stated by the source	Yes
Number of batteries includedKnown for one	Unknown — not stated by the source	2 pc(s)
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	Forest Stewardship Council (FSC)
Packaging dataidentical
Package depthKnown for one	110 mm	Unknown — not stated by the source
Package heightKnown for one	50 mm	Unknown — not stated by the source
Package weightKnown for one	253 g	Unknown — not stated by the source
Package widthKnown for one	140 mm	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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