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Product comparison · 2 motion detectors

Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White vs Dahua Technology PFM861-B100 Wired Wall White

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  • 5specifications compared
  • 3differ
  • 2identical
  • 17known for one product only

Key differences

Connectivity technology: Wireless on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, Wired on the Dahua Technology PFM861-B100 Wired Wall White. Operating temperature (T-T): -25 - 60 °C on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, -40 - 75 °C on the Dahua Technology PFM861-B100 Wired Wall White. Weight: 651 g on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, 1.06 kg on the Dahua Technology PFM861-B100 Wired Wall White.

  • Connectivity technology
    • Wireless
    • Wired
  • Operating temperature (T-T)
    • -25 - 60 °C
    • -40 - 75 °C
  • Weight
    • 651 g
    • 1.06 kg

Side by side

Differences highlightedShow differences only
22 specifications
A

Dahua Technology

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

Model ARD2251E-W2(868)

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B

Dahua Technology

PFM861-B100 Wired Wall White

Model PFM861-B100

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Featuresidentical
Detection angleKnown for one90°
Installation height (max)Known for one3 m
Installation height (min)Known for one1 m
International Protection (IP) codeKnown for oneIP66
Security1 differ
Connectivity technologyDiffersWirelessWired
Transmit powerKnown for one16 dBmW
Detection distanceKnown for one160 m
Operating frequencyKnown for one24050 - 24200 MHz
Sensor typeKnown for onePassive infrared (PIR) sensor
Operational conditions1 differ
Operating relative humidity (H-H)Known for one0 - 90%
Operating temperature (T-T)Differs-25 - 60 °C-40 - 75 °C
Storage temperature (T-T)Known for one-25 - 60 °C
Weight & dimensions1 differ
WidthKnown for one194 mm
DepthKnown for one158 mm
HeightKnown for one49 mm
WeightDiffers651 g1.06 kg
Packaging dataidentical
Package widthKnown for one116 mm
Package depthKnown for one119 mm
Package heightKnown for one251 mm
Package weightKnown for one890 g

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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