Product comparison · 2 motion detectors

Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White vs Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless

Key differences

Operating temperature (T-T)
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:-25 - 60 °C
- DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless:-10 - 55 °C
Weight
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:651 g
- DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless:70 g
Package width
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:116 mm
- DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless:98.5 mm
Package depth
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:119 mm
- DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless:135 mm
Package height
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:251 mm
- DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless:27.8 mm
Package weight
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:890 g
- DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless:115 g

Differences highlightedShow differences only

Comparison of ARD2251E-W2(868), DHI-ARD323-W2(S)
17 specifications	A Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White Model ARD2251E-W2(868) View product	B Dahua Technology DHI-ARD323-W2(S) motion detector Passive infrared (PIR) sensor Wireless Model DHI-ARD323-W2(S) View product
Securityidentical
Sensor type	Passive infrared (PIR) sensor	Passive infrared (PIR) sensor
Connectivity technology	Wireless	Wireless
Alarm functionKnown for one	Unknown — not stated by the source	Yes
Operating frequencyKnown for one	Unknown — not stated by the source	433.1 - 434.6 MHz
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Operating temperature (T-T)Differs	-25 - 60 °C	-10 - 55 °C
Storage temperature (T-T)Known for one	-25 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	20.8 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	20.3 mm
WeightDiffers	651 g	70 g
Packaging data4 differ
Package widthDiffers	116 mm	98.5 mm
Package depthDiffers	119 mm	135 mm
Package heightDiffers	251 mm	27.8 mm
Package weightDiffers	890 g	115 g
Featuresidentical
Mounting typeKnown for one	Wall	Unknown — not stated by the source
Product colourKnown for one	White	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.