Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White

19specifications compared
15differ
4identical
14known for one product only

Key differences

The Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White has 10° more detection angle than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (100° vs 90°). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 6 m more detection distance than the Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White (15 m vs 9 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 1,150 m more transmission distance than the Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White (1200 m vs 50 m). Placement: Indoor, Outdoor on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Indoor on the Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White. LED indicators: Alarm on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Yes on the Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White.

Placement
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Indoor, Outdoor
- 8D5811DA motion detector Infrared sensor Wireless Wall White:Indoor
LED indicators
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Alarm
- 8D5811DA motion detector Infrared sensor Wireless Wall White:Yes
Detection angle
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:90°
- 8D5811DA motion detector Infrared sensor Wireless Wall White:100°
LED colour
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Green
- 8D5811DA motion detector Infrared sensor Wireless Wall White:Red
Detection distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
- 8D5811DA motion detector Infrared sensor Wireless Wall White:9 m
Transmission distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:1200 m
- 8D5811DA motion detector Infrared sensor Wireless Wall White:50 m
Battery type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:CR123A
- 8D5811DA motion detector Infrared sensor Wireless Wall White:AA
Number of batteries supported
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:4
- 8D5811DA motion detector Infrared sensor Wireless Wall White:2

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD2251E-W2, 8D5811DA
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 Digicom 8D5811DA motion detector Infrared sensor Wireless Wall White Model 8D5811DA View product
Features4 differ
Mounting type	Wall	Wall
PlacementDiffers	Indoor, Outdoor	Indoor
LED indicatorsDiffers	Alarm	Yes
Product colour	White	White
Security algorithmsKnown for one	128-bit AES	Unknown — not stated by the source
Detection angleDiffers	90°	100°
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 colourDiffers	Green	Red
Security3 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	9 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	50 m
Power2 differ
Power source type	Battery	Battery
Battery typeDiffers	CR123A	AA
Number of batteries supportedDiffers	4	2
Battery voltageKnown for one	Unknown — not stated by the source	1.5 V
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	59.5 mm
DepthDiffers	94 mm	43.2 mm
HeightDiffers	211 mm	107.6 mm
WeightKnown for one	651 g	Unknown — not stated by the source
Packaging data3 differ
Package widthDiffers	251 mm	140 mm
Package depthDiffers	116 mm	165 mm
Package heightDiffers	119 mm	65 mm
Package weightKnown for one	860 g	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Box

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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