Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs TP-Link Tapo Smart Motion Sensor

17specifications compared
14differ
3identical
18known for one product only

Key differences

The TP-Link Tapo Smart Motion Sensor 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 8 m more detection distance than the TP-Link Tapo Smart Motion Sensor (15 m vs 7 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 63.7 mm more width than the TP-Link Tapo Smart Motion Sensor (106 mm vs 42.3 mm). Mounting type: Wall on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Ceiling/wall on the TP-Link Tapo Smart Motion Sensor. Placement: Indoor, Outdoor on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Indoor on the TP-Link Tapo Smart Motion Sensor.

Mounting type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Wall
- Tapo Smart Motion Sensor:Ceiling/wall
Placement
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Indoor, Outdoor
- Tapo Smart Motion Sensor:Indoor
LED indicators
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:Alarm
- Tapo Smart Motion Sensor:Yes
Detection angle
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:90°
- Tapo Smart Motion Sensor:120°
Detection distance
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:15 m
- Tapo Smart Motion Sensor:7 m
Battery type
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:CR123A
- Tapo Smart Motion Sensor:CR2450
Operating temperature (T-T)
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
- Tapo Smart Motion Sensor:0 - 40 °C
Width
- DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm
- Tapo Smart Motion Sensor:42.3 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-ARD2251E-W2, T100
35 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 TP-Link Tapo Smart Motion Sensor Model T100 View product
Features4 differ
Mounting typeDiffers	Wall	Ceiling/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°	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
PortableKnown for one	Unknown — not stated by the source	Yes
Security1 differ
Sensor typeKnown for one	Passive infrared (PIR) sensor/Microwave sensor	Unknown — not stated by the source
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	7 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 distanceKnown for one	1200 m	Unknown — not stated by the source
Power1 differ
Power source type	Battery	Battery
Battery typeDiffers	CR123A	CR2450
Number of batteries supportedKnown for one	4	Unknown — not stated by the source
Battery lifeKnown for one	Unknown — not stated by the source	2 year(s)
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 & dimensions3 differ
WidthDiffers	106 mm	42.3 mm
DepthDiffers	94 mm	34 mm
HeightDiffers	211 mm	42.3 mm
WeightKnown for one	651 g	Unknown — not stated by the source
Packaging data4 differ
Package widthDiffers	251 mm	66 mm
Package depthDiffers	116 mm	66 mm
Package heightDiffers	119 mm	43.5 mm
Package weightDiffers	860 g	60 g
Package typeKnown for one	Unknown — not stated by the source	Box
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)

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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