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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-B240 Wired Ceiling/wall White

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

Key differences

The Dahua Technology PFR4K-B240 Wired Ceiling/wall White has 30 mm more package width than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (146 mm vs 116 mm). The Dahua Technology PFR4K-B240 Wired Ceiling/wall White has 209 mm more package depth than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (328 mm vs 119 mm). The Dahua Technology PFR4K-B240 Wired Ceiling/wall White has 27 mm more package height than the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White (278 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-B240 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-B240 Wired Ceiling/wall White.

  • Mounting type
    • Wall
    • Ceiling/wall
  • Connectivity technology
    • Wireless
    • Wired
  • Operating temperature (T-T)
    • -25 - 60 °C
    • -40 - 65 °C
  • Storage temperature (T-T)
    • -25 - 60 °C
    • -40 - 80 °C
  • Weight
    • 651 g
    • 2.84 kg
  • Package width
    • 116 mm
    • 146 mm
  • Package depth
    • 119 mm
    • 328 mm
  • Package height
    • 251 mm
    • 278 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-B240 Wired Ceiling/wall White

Model PFR4K-B240

View product
Features1 differ
Mounting typeDiffersWallCeiling/wall
PlacementKnown for oneIndoor, Outdoor
Product colourWhiteWhite
Detection angleKnown for one20°
International Protection (IP) codeKnown for oneIP67
CertificationKnown for oneCE:EN 50385; EN 55032; EN 55024; EN 55035; EN 50130-4; ETSI EN 301 489-1; ETSI EN 301 489-3; EN 60950-1 CE RED: EN 300440
Security1 differ
Connectivity technologyDiffersWirelessWired
Detection distanceKnown for one240 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
Operational conditions2 differ
Operating relative humidity (H-H)Known for one0 - 95%
Operating temperature (T-T)Differs-25 - 60 °C-40 - 65 °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 one184.9 mm
DepthKnown for one244.9 mm
HeightKnown for one61.2 mm
WeightDiffers651 g2.84 kg
Packaging data4 differ
Package widthDiffers116 mm146 mm
Package depthDiffers119 mm328 mm
Package heightDiffers251 mm278 mm
Package weightDiffers890 g3.4 kg
Package typeKnown for oneBox
Quantity per packKnown for one1 pc(s)
Packaging contentidentical
ManualKnown for oneYes

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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