Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Legrand 048944 motion detector Infrared sensor Wireless Ceiling White

10specifications compared
8differ
2identical
25known for one product only

Key differences

The Legrand 048944 motion detector Infrared sensor Wireless 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 048944 motion detector Infrared sensor Wireless 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 28 mm more width than the Legrand 048944 motion detector Infrared sensor Wireless Ceiling White (106 mm vs 78 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 048944 motion detector Infrared sensor Wireless 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, IP41 on the Legrand 048944 motion detector Infrared sensor Wireless Ceiling White.

Mounting type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Wall
- 048944 motion detector Infrared sensor Wireless Ceiling White:Ceiling
Detection angle
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:90°
- 048944 motion detector Infrared sensor Wireless Ceiling White:360°
International Protection (IP) code
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:IP66
- 048944 motion detector Infrared sensor Wireless Ceiling White:IP41
Detection distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
- 048944 motion detector Infrared sensor Wireless Ceiling White:8 m
Width
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm
- 048944 motion detector Infrared sensor Wireless Ceiling White:78 mm
Depth
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:94 mm
- 048944 motion detector Infrared sensor Wireless Ceiling White:78 mm
Height
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:211 mm
- 048944 motion detector Infrared sensor Wireless Ceiling White:28 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD2251E-W2, 048944
35 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 048944 motion detector Infrared sensor Wireless Ceiling White Model 048944 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	IP41
LED colourKnown for one	Green	Unknown — not stated by the source
Duration adjustmentKnown for one	Unknown — not stated by the source	10 - 600 s
Installation height (max)Known for one	Unknown — not stated by the source	2.5 m
Lamp typeKnown for one	Unknown — not stated by the source	Halogen
Light sensitivityKnown for one	Unknown — not stated by the source	1275 lx
Security2 differ
Sensor typeDiffers	Passive infrared (PIR) sensor/Microwave sensor	Infrared sensor
Connectivity technology	Wireless	Wireless
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 & dimensions3 differ
WidthDiffers	106 mm	78 mm
DepthDiffers	94 mm	78 mm
HeightDiffers	211 mm	28 mm
WeightKnown for one	651 g	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	251 mm	Unknown — not stated by the source
Package depthKnown for one	116 mm	Unknown — not stated by the source
Package heightKnown for one	119 mm	Unknown — not stated by the source
Package weightKnown for one	860 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.

More motion detector comparisons

All motion detector comparisons