Product comparison · 2 panic buttons

Dahua Technology ARD822-W2 panic button Wireless Alarm vs Dahua Technology DHI-ARD821-W2 panic button Wireless Alarm

Key differences

Width
- ARD822-W2 panic button Wireless Alarm:55 mm
- DHI-ARD821-W2 panic button Wireless Alarm:36 mm
Depth
- ARD822-W2 panic button Wireless Alarm:36 mm
- DHI-ARD821-W2 panic button Wireless Alarm:55 mm
Package width
- ARD822-W2 panic button Wireless Alarm:95 mm
- DHI-ARD821-W2 panic button Wireless Alarm:59.5 mm
Package depth
- ARD822-W2 panic button Wireless Alarm:59.5 mm
- DHI-ARD821-W2 panic button Wireless Alarm:95 mm

Differences highlightedShow differences only

Comparison of ARD822-W2, DHI-ARD821-W2
21 specifications	A Dahua Technology ARD822-W2 panic button Wireless Alarm Model ARD822-W2 View product	B Dahua Technology DHI-ARD821-W2 panic button Wireless Alarm Model DHI-ARD821-W2 View product
Featuresidentical
Connectivity technology	Wireless	Wireless
Purpose	Alarm	Alarm
Product colour	White	White
Housing materialKnown for one	Unknown — not stated by the source	Acrylonitrile butadiene styrene (ABS), Polystyrene (PS)
Transmission distanceKnown for one	Unknown — not stated by the source	1300 m
Operating frequencyKnown for one	Unknown — not stated by the source	433.1/434.6 MHz
BacklightKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	CE
International Protection (IP) codeKnown for one	IP54	Unknown — not stated by the source
Poweridentical
Power source	Battery	Battery
Battery type	CR2032	CR2032
Alarm current	28 mA	28 mA
Operational conditionsidentical
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers	55 mm	36 mm
DepthDiffers	36 mm	55 mm
Height	14.2 mm	14.2 mm
Weight	18 g	18 g
Package widthDiffers	95 mm	59.5 mm
Package depthDiffers	59.5 mm	95 mm
Package height	30.5 mm	30.5 mm
Package weight	48 g	48 g

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.