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Product comparison · 2 motion detectors

Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White vs Dahua Technology PFR4K-E50 Wired Ceiling/wall White

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  • 10specifications compared
  • 9differ
  • 1identical
  • 17known for one product only

Key differences

The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 55 mm more package width than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (171 mm vs 116 mm). The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 89 mm more package depth than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (208 mm vs 119 mm). The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 5 mm more package height than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (256 mm vs 251 mm). Mounting type: Wall on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, Ceiling/wall on the Dahua Technology PFR4K-E50 Wired Ceiling/wall White. Connectivity technology: Wireless on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, Wired on the Dahua Technology PFR4K-E50 Wired Ceiling/wall White.

  • Mounting type
    • Wall
    • Ceiling/wall
  • Connectivity technology
    • Wireless
    • Wired
  • Operating temperature (T-T)
    • -25 - 60 °C
    • -40 - 70 °C
  • Storage temperature (T-T)
    • -25 - 60 °C
    • -40 - 80 °C
  • Weight
    • 651 g
    • 1.7 kg
  • Package width
    • 116 mm
    • 171 mm
  • Package depth
    • 119 mm
    • 208 mm
  • Package height
    • 251 mm
    • 256 mm

Side by side

Differences highlightedShow differences only
27 specifications
A

Dahua Technology

ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White

Model ARD2251E-W2(868)

View product
B

Dahua Technology

PFR4K-E50 Wired Ceiling/wall White

Model PFR4K-E50

View product
Features1 differ
Mounting typeDiffersWallCeiling/wall
PlacementKnown for oneIndoor, Outdoor
Detection angleKnown for one36°
International Protection (IP) codeKnown for oneIP67
Security1 differ
Connectivity technologyDiffersWirelessWired
Transmit powerKnown for one20 dBmW
Detection distanceKnown for one50 m
Operating frequencyKnown for one24000 MHz
Sensor typeKnown for onePassive infrared (PIR) sensor
Poweridentical
Power source typeKnown for oneAC, DC
Input voltageKnown for one12 V
Power consumption (standby)Known for one12 W
Power consumption (typical)Known for one14 W
Operational conditions2 differ
Operating relative humidity (H-H)Known for one0 - 95%
Operating temperature (T-T)Differs-25 - 60 °C-40 - 70 °C
Storage relative humidity (H-H)Known for one0 - 95%
Storage temperature (T-T)Differs-25 - 60 °C-40 - 80 °C
Weight & dimensions1 differ
WidthKnown for one157.9 mm
DepthKnown for one67.1 mm
HeightKnown for one204.9 mm
WeightDiffers651 g1.7 kg
Packaging data4 differ
Package widthDiffers116 mm171 mm
Package depthDiffers119 mm208 mm
Package heightDiffers251 mm256 mm
Package weightDiffers890 g2.2 kg
Quantity per packKnown for one1 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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