Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White

10specifications compared
9differ
1identical
23known for one product only

Key differences

The Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White has 270° more detection angle than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (360° vs 90°). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 7 m more detection distance than the Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White (15 m vs 8 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 139 mm more package width than the Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White (251 mm vs 112 mm). Mounting type: Wall on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Ceiling on the Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White. International Protection (IP) code: IP66 on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, IP20 on the Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White.

Mounting type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Wall
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:Ceiling
Detection angle
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:90°
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:360°
International Protection (IP) code
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:IP66
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:IP20
Detection distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:8 m
Package width
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:251 mm
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:112 mm
Package depth
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:116 mm
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:87 mm
Package height
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:119 mm
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:97 mm
Package weight
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:860 g
- 048948 motion detector Passive infrared (PIR) sensor Ceiling White:131 g

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD2251E-W2, 048948
33 specifications	A Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White Model DHI-ARD2251E-W2 View product	B Legrand 048948 motion detector Passive infrared (PIR) sensor Ceiling White Model 048948 View product
Features3 differ
Mounting typeDiffers	Wall	Ceiling
PlacementKnown for one	Indoor, Outdoor	Unknown — not stated by the source
LED indicatorsKnown for one	Alarm	Unknown — not stated by the source
Product colour	White	White
Security algorithmsKnown for one	128-bit AES	Unknown — not stated by the source
Detection angleDiffers	90°	360°
Housing materialKnown for one	Polycarbonate (PC)	Unknown — not stated by the source
International Protection (IP) codeDiffers	IP66	IP20
LED colourKnown for one	Green	Unknown — not stated by the source
Installation height (max)Known for one	Unknown — not stated by the source	2.5 m
Light sensitivityKnown for one	Unknown — not stated by the source	1275 lx
Security2 differ
Sensor typeDiffers	Passive infrared (PIR) sensor/Microwave sensor	Passive infrared (PIR) sensor
Connectivity technologyKnown for one	Wireless	Unknown — not stated by the source
Transmit powerKnown for one	10 dBmW	Unknown — not stated by the source
Alarm functionKnown for one	Yes	Unknown — not stated by the source
Detection distanceDiffers	15 m	8 m
InterfaceKnown for one	RF	Unknown — not stated by the source
Operating frequencyKnown for one	433.1 - 434.6 MHz	Unknown — not stated by the source
Transmission distanceKnown for one	1200 m	Unknown — not stated by the source
Poweridentical
Power source typeKnown for one	Battery	Unknown — not stated by the source
Battery typeKnown for one	CR123A	Unknown — not stated by the source
Number of batteries supportedKnown for one	4	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	-25 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-25 - 60 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	106 mm	Unknown — not stated by the source
DepthKnown for one	94 mm	Unknown — not stated by the source
HeightKnown for one	211 mm	Unknown — not stated by the source
WeightKnown for one	651 g	Unknown — not stated by the source
Packaging data4 differ
Package widthDiffers	251 mm	112 mm
Package depthDiffers	116 mm	87 mm
Package heightDiffers	119 mm	97 mm
Package weightDiffers	860 g	131 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.

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