Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Imou ZP1 Infrared sensor Wireless Wall White

16specifications compared
11differ
5identical
23known for one product only

Key differences

The Imou ZP1 Infrared sensor Wireless Wall White has 5 dBmW more transmit power than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (15 dBmW vs 10 dBmW). 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 Imou ZP1 Infrared sensor Wireless Wall White (15 m vs 8 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 1,000 m more transmission distance than the Imou ZP1 Infrared sensor Wireless Wall White (1200 m vs 200 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 Imou ZP1 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 Imou ZP1 Infrared sensor Wireless Wall White.

Placement
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Indoor, Outdoor
- ZP1 Infrared sensor Wireless Wall White:Indoor
LED indicators
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Alarm
- ZP1 Infrared sensor Wireless Wall White:Yes
Transmit power
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:10 dBmW
- ZP1 Infrared sensor Wireless Wall White:15 dBmW
Detection distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
- ZP1 Infrared sensor Wireless Wall White:8 m
Transmission distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:1200 m
- ZP1 Infrared sensor Wireless Wall White:200 m
Battery type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:CR123A
- ZP1 Infrared sensor Wireless Wall White:CR123V
Operating temperature (T-T)
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
- ZP1 Infrared sensor Wireless Wall White:-25 - 55 °C
Width
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm
- ZP1 Infrared sensor Wireless Wall White:48 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD2251E-W2, ZP1
39 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 Imou ZP1 Infrared sensor Wireless Wall White Model ZP1 View product
Features2 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 angle	90°	90°
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
Wi-Fi frequencyKnown for one	Unknown — not stated by the source	2.4 GHz
Angle of rotationKnown for one	Unknown — not stated by the source	360°
Installation height (max)Known for one	Unknown — not stated by the source	2.2 m
Security4 differ
Sensor typeDiffers	Passive infrared (PIR) sensor/Microwave sensor	Infrared sensor
Connectivity technology	Wireless	Wireless
Transmit powerDiffers	10 dBmW	15 dBmW
Alarm function	Yes	Yes
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 distanceDiffers	1200 m	200 m
Power1 differ
Power source typeKnown for one	Battery	Unknown — not stated by the source
Battery typeDiffers	CR123A	CR123V
Number of batteries supportedKnown for one	4	Unknown — not stated by the source
Power consumptionKnown for one	Unknown — not stated by the source	25 mA
Battery lifeKnown for one	Unknown — not stated by the source	1 year(s)
Input voltageKnown for one	Unknown — not stated by the source	3 V
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	-25 - 55 °C
Storage temperature (T-T)Known for one	-25 - 60 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	106 mm	48 mm
DepthDiffers	94 mm	48 mm
HeightDiffers	211 mm	53.4 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
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium

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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