Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Samsung GP-U999SJVLBEA motion detector Wireless Wall White

14specifications compared
10differ
4identical
19known for one product only

Key differences

The Samsung GP-U999SJVLBEA motion detector Wireless Wall White has 30° more detection angle than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (120° vs 90°). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 10.4 m more detection distance than the Samsung GP-U999SJVLBEA motion detector Wireless Wall White (15 m vs 4.6 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 1,160 m more transmission distance than the Samsung GP-U999SJVLBEA motion detector Wireless Wall White (1200 m vs 40 m). Battery type: CR123A on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, CR2 on the Samsung GP-U999SJVLBEA motion detector Wireless Wall White. Operating temperature (T-T): -25 - 60 °C on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, 0 - 40 °C on the Samsung GP-U999SJVLBEA motion detector Wireless Wall White.

Detection angle
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:90°
- GP-U999SJVLBEA motion detector Wireless Wall White:120°
Detection distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
- GP-U999SJVLBEA motion detector Wireless Wall White:4.6 m
Transmission distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:1200 m
- GP-U999SJVLBEA motion detector Wireless Wall White:40 m
Battery type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:CR123A
- GP-U999SJVLBEA motion detector Wireless Wall White:CR2
Number of batteries supported
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:4
- GP-U999SJVLBEA motion detector Wireless Wall White:1
Operating temperature (T-T)
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
- GP-U999SJVLBEA motion detector Wireless Wall White:0 - 40 °C
Width
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm
- GP-U999SJVLBEA motion detector Wireless Wall White:566 mm
Depth
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:94 mm
- GP-U999SJVLBEA motion detector Wireless Wall White:502 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD2251E-W2, GP-U999SJVLBEA
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 Samsung GP-U999SJVLBEA motion detector Wireless Wall White Model GP-U999SJVLBEA View product
Features1 differ
PlacementKnown for one	Indoor, Outdoor	Unknown — not stated by the source
LED indicatorsKnown for one	Alarm	Unknown — not stated by the source
Security algorithmsKnown for one	128-bit AES	Unknown — not stated by the source
Detection angleDiffers	90°	120°
Housing materialKnown for one	Polycarbonate (PC)	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP66	Unknown — not stated by the source
LED colourKnown for one	Green	Unknown — not stated by the source
Security2 differ
Sensor typeKnown for one	Passive infrared (PIR) sensor/Microwave sensor	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	4.6 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 distanceDiffers	1200 m	40 m
Power2 differ
Battery typeDiffers	CR123A	CR2
Number of batteries supportedDiffers	4	1
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating temperature (T-T)Differs	-25 - 60 °C	0 - 40 °C
Storage temperature (T-T)Known for one	-25 - 60 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	106 mm	566 mm
DepthDiffers	94 mm	502 mm
HeightDiffers	211 mm	557 mm
WeightDiffers	651 g	95 g
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
Packaging contentidentical
Batteries includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes

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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