Product comparison · 2 door & window sensors

Dahua Technology ARD312 Iron Door Contact vs Imou Door Contact

9specifications compared
7differ
2identical
14known for one product only

Key differences

The Imou Door Contact has 21 mm more width than the Dahua Technology ARD312 Iron Door Contact (39 mm vs 18 mm). The Imou Door Contact has 10 mm more depth than the Dahua Technology ARD312 Iron Door Contact (20 mm vs 10 mm). The Imou Door Contact has 34 mm more height than the Dahua Technology ARD312 Iron Door Contact (84 mm vs 50 mm). Connectivity technology: Wired on the Dahua Technology ARD312 Iron Door Contact, Wireless on the Imou Door Contact. Product colour: Grey, Silver on the Dahua Technology ARD312 Iron Door Contact, White on the Imou Door Contact.

Connectivity technology
- ARD312 Iron Door Contact:Wired
- Door Contact:Wireless
Product colour
- ARD312 Iron Door Contact:Grey, Silver
- Door Contact:White
Width
- ARD312 Iron Door Contact:18 mm
- Door Contact:39 mm
Depth
- ARD312 Iron Door Contact:10 mm
- Door Contact:20 mm
Height
- ARD312 Iron Door Contact:50 mm
- Door Contact:84 mm
Weight
- ARD312 Iron Door Contact:54 g
- Door Contact:100 g
Operating relative humidity (H-H)
- ARD312 Iron Door Contact:10 - 90%
- Door Contact:0 - 95%

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD312, ARD311-SW
23 specifications	A Dahua Technology ARD312 Iron Door Contact Model DHI-ARD312 View product	B Imou Door Contact Model ARD311-SW View product
Features2 differ
Connectivity technologyDiffers	Wired	Wireless
InterfaceKnown for one	Unknown — not stated by the source	RF Wireless
Operating frequencyKnown for one	Unknown — not stated by the source	433 MHz
Suitable for	Door	Door
LED indicatorsKnown for one	Unknown — not stated by the source	Notification
Product colourDiffers	Grey, Silver	White
Maximum outdoor rangeKnown for one	Unknown — not stated by the source	200 m
Housing materialKnown for one	Metal	Unknown — not stated by the source
Poweridentical
Battery typeKnown for one	Unknown — not stated by the source	CR123A
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
Battery lifeKnown for one	Unknown — not stated by the source	36 month(s)
Weight & dimensions4 differ
WidthDiffers	18 mm	39 mm
DepthDiffers	10 mm	20 mm
HeightDiffers	50 mm	84 mm
WeightDiffers	54 g	100 g
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Alkaline
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 95%
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C
Packaging dataidentical
Package widthKnown for one	55 mm	Unknown — not stated by the source
Package depthKnown for one	25 mm	Unknown — not stated by the source
Package heightKnown for one	70 mm	Unknown — not stated by the source
Package weightKnown for one	56.7 g	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	CE	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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