Product comparison · 2 panic buttons

Dahua Technology ARD822-W2(868) panic button Wireless Alarm vs Dahua Technology DHI-ARD812 panic button Wired Universal

Key differences

Connectivity technology
- ARD822-W2(868) panic button Wireless Alarm:Wireless
- DHI-ARD812 panic button Wired Universal:Wired
Purpose
- ARD822-W2(868) panic button Wireless Alarm:Alarm
- DHI-ARD812 panic button Wired Universal:Universal
Product colour
- ARD822-W2(868) panic button Wireless Alarm:White
- DHI-ARD812 panic button Wired Universal:Grey, Red
Power source
- ARD822-W2(868) panic button Wireless Alarm:Battery
- DHI-ARD812 panic button Wired Universal:DC
Operating relative humidity (H-H)
- ARD822-W2(868) panic button Wireless Alarm:10 - 90%
- DHI-ARD812 panic button Wired Universal:0 - 95%
Width
- ARD822-W2(868) panic button Wireless Alarm:36 mm
- DHI-ARD812 panic button Wired Universal:49.5 mm
Depth
- ARD822-W2(868) panic button Wireless Alarm:14.2 mm
- DHI-ARD812 panic button Wired Universal:32.5 mm
Height
- ARD822-W2(868) panic button Wireless Alarm:55 mm
- DHI-ARD812 panic button Wired Universal:53.5 mm

Differences highlightedShow differences only

Comparison of ARD822-W2(868), DHI-ARD812
17 specifications	A Dahua Technology ARD822-W2(868) panic button Wireless Alarm Model ARD822-W2(868) View product	B Dahua Technology DHI-ARD812 panic button Wired Universal Model DHI-ARD812 View product
Features4 differ
Connectivity technologyDiffers	Wireless	Wired
PurposeDiffers	Alarm	Universal
Product colourDiffers	White	Grey, Red
Housing materialDiffers	Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC)	Acrylonitrile butadiene styrene (ABS)
CertificationKnown for one	Unknown — not stated by the source	CE
Power1 differ
Power sourceDiffers	Battery	DC
Alarm currentKnown for one	Unknown — not stated by the source	300 mA
Operational conditions1 differ
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C
Operating relative humidity (H-H)Differs	10 - 90%	0 - 95%
Weight & dimensions4 differ
WidthDiffers	36 mm	49.5 mm
DepthDiffers	14.2 mm	32.5 mm
HeightDiffers	55 mm	53.5 mm
WeightDiffers	18 g	34 g
Package widthKnown for one	59.5 mm	Unknown — not stated by the source
Package depthKnown for one	30.5 mm	Unknown — not stated by the source
Package heightKnown for one	95 mm	Unknown — not stated by the source
Package weightKnown for one	48 g	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.