Product comparison · 2 motion detectors

Dahua Technology ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White vs Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White

19specifications compared
11differ
8identical
21known for one product only

Key differences

Detection distance
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:12 m
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
Operating frequency
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:433, 868, 915 MHz
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:433.1 - 434.6 MHz
Transmission distance
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:150 m
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:1200 m
Number of batteries supported
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:1
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:4
Operating relative humidity (H-H)
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:0 - 95%
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:10 - 90%
Operating temperature (T-T)
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:-10 - 50 °C
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
Width
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:62 mm
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm
Depth
- ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White:41.3 mm
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:94 mm

Side by side

Differences highlightedShow differences only

Comparison of ARD1231-W, DHI-ARD2251E-W2
40 specifications	A Dahua Technology ARD1231-W motion detector Passive infrared (PIR) sensor Wireless Wall White Model ARD1231-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
Featuresidentical
Mounting type	Wall	Wall
Placement	Indoor, Outdoor	Indoor, Outdoor
LED indicatorsKnown for one	Unknown — not stated by the source	Alarm
Product colour	White	White
Security algorithmsKnown for one	Unknown — not stated by the source	128-bit AES
Detection angle	90°	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
Installation height (max)Known for one	2.5 m	Unknown — not stated by the source
Installation height (min)Known for one	2.2 m	Unknown — not stated by the source
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
Connectivity technology	Wireless	Wireless
Transmit powerKnown for one	Unknown — not stated by the source	10 dBmW
Alarm function	Yes	Yes
Detection distanceDiffers	12 m	15 m
InterfaceKnown for one	Unknown — not stated by the source	RF
Operating frequencyDiffers	433, 868, 915 MHz	433.1 - 434.6 MHz
Transmission distanceDiffers	150 m	1200 m
Outdoor rangeKnown for one	150m	Unknown — not stated by the source
Pet immunity (max)Known for one	18 kg	Unknown — not stated by the source
Power1 differ
Power source type	Battery	Battery
Battery type	CR123A	CR123A
Number of batteries supportedDiffers	1	4
Battery lifeKnown for one	3 year(s)	Unknown — not stated by the source
Battery voltageKnown for one	3 V	Unknown — not stated by the source
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	62 mm	106 mm
DepthDiffers	41.3 mm	94 mm
HeightDiffers	105 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
Batteryidentical
Battery capacityKnown for one	50 mAh	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