Product comparison · 2 motion detectors

Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White vs Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White

17specifications compared
12differ
5identical
16known for one product only

Key differences

The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 5 m more detection distance than the Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White (15 m vs 10 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 1,050 m more transmission distance than the Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White (1200 m vs 150 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 3 more batteries supported than the Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White (4 vs 1). Mounting type: Ceiling/wall on the Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White, Wall on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White. Operating frequency: 433/868 MHz on the Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White, 433.1 - 434.6 MHz on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White.

Mounting type
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:Ceiling/wall
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Wall
Detection distance
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:10 m
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
Operating frequency
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:433/868 MHz
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:433.1 - 434.6 MHz
Transmission distance
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:150 m
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:1200 m
Number of batteries supported
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:1
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:4
Operating relative humidity (H-H)
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:0 - 95%
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:10 - 90%
Operating temperature (T-T)
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:-10 - 50 °C
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
Width
- ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White:52 mm
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm

Side by side

Differences highlightedShow differences only

Comparison of ARD1611-W, DHI-ARD2251E-W2
33 specifications	A Dahua Technology ARD1611-W motion detector Passive infrared (PIR) sensor Wireless Ceiling/wall White Model ARD1611-W 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
Features1 differ
Mounting typeDiffers	Ceiling/wall	Wall
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
Light sensitivityKnown for one	6500 lx	Unknown — not stated by the source
CertificationKnown for one	CE, FCC, MABISZ	Unknown — not stated by the source
Security4 differ
Sensor typeDiffers	Passive infrared (PIR) sensor	Passive infrared (PIR) sensor/Microwave sensor
Alarm functionKnown for one	Unknown — not stated by the source	Yes
Detection distanceDiffers	10 m	15 m
InterfaceKnown for one	Unknown — not stated by the source	RF
Operating frequencyDiffers	433/868 MHz	433.1 - 434.6 MHz
Transmission distanceDiffers	150 m	1200 m
Power1 differ
Number of batteries supportedDiffers	1	4
Operational conditions2 differ
Operating relative humidity (H-H)Differs	0 - 95%	10 - 90%
Operating temperature (T-T)Differs	-10 - 50 °C	-25 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-25 - 60 °C
Weight & dimensions4 differ
WidthDiffers	52 mm	106 mm
DepthDiffers	35 mm	94 mm
HeightDiffers	99 mm	211 mm
WeightDiffers	100 g	651 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	251 mm
Package depthKnown for one	Unknown — not stated by the source	116 mm
Package heightKnown for one	Unknown — not stated by the source	119 mm
Package weightKnown for one	Unknown — not stated by the source	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.

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