Product comparison · 2 motion detectors

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

11specifications compared
5differ
6identical
20known for one product only

Key differences

The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 135 mm more package width than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (251 mm vs 116 mm). The Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White has 3 mm more package depth than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (119 mm vs 116 mm). The Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White has 132 mm more package height than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (251 mm vs 119 mm).

Package width
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:116 mm
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:251 mm
Package depth
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:119 mm
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:116 mm
Package height
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:251 mm
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:119 mm
Package weight
- ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White:890 g
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:860 g

Side by side

Differences highlightedShow differences only

Comparison of ARD2251E-W2(868), DHI-ARD2251E-W2
31 specifications	A Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White Model ARD2251E-W2(868) View product	B Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White Model DHI-ARD2251E-W2 View product
Featuresidentical
PlacementKnown for one	Unknown — not stated by the source	Indoor, Outdoor
LED indicatorsKnown for one	Unknown — not stated by the source	Alarm
Security algorithmsKnown for one	Unknown — not stated by the source	128-bit AES
Detection angleKnown for one	Unknown — not stated by the source	90°
Housing materialKnown for one	Unknown — not stated by the source	Polycarbonate (PC)
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP66
LED colourKnown for one	Unknown — not stated by the source	Green
Security1 differ
Sensor typeDiffers	Passive infrared (PIR) sensor	Passive infrared (PIR) sensor/Microwave sensor
Transmit powerKnown for one	Unknown — not stated by the source	10 dBmW
Alarm functionKnown for one	Unknown — not stated by the source	Yes
Detection distanceKnown for one	Unknown — not stated by the source	15 m
InterfaceKnown for one	Unknown — not stated by the source	RF
Operating frequencyKnown for one	Unknown — not stated by the source	433.1 - 434.6 MHz
Transmission distanceKnown for one	Unknown — not stated by the source	1200 m
Poweridentical
Power source typeKnown for one	Unknown — not stated by the source	Battery
Battery typeKnown for one	Unknown — not stated by the source	CR123A
Number of batteries supportedKnown for one	Unknown — not stated by the source	4
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	106 mm
DepthKnown for one	Unknown — not stated by the source	94 mm
HeightKnown for one	Unknown — not stated by the source	211 mm
Packaging data4 differ
Package widthDiffers	116 mm	251 mm
Package depthDiffers	119 mm	116 mm
Package heightDiffers	251 mm	119 mm
Package weightDiffers	890 g	860 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.

More motion detector comparisons

All motion detector comparisons