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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-B300 Wired Ceiling/wall White

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  • 5specifications compared
  • 4differ
  • 1identical
  • 18known for one product only

Key differences

Mounting type: Wall on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, Ceiling/wall on the Dahua Technology PFM861-B300 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 PFM861-B300 Wired Ceiling/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-B300 Wired Ceiling/wall White. Weight: 651 g on the Dahua Technology ARD2251E-W2(868) Passive infrared (PIR) sensor Wireless Wall White, 1.65 kg on the Dahua Technology PFM861-B300 Wired Ceiling/wall White.

  • Mounting type
    • Wall
    • Ceiling/wall
  • Connectivity technology
    • Wireless
    • Wired
  • Operating temperature (T-T)
    • -25 - 60 °C
    • -40 - 75 °C
  • Weight
    • 651 g
    • 1.65 kg

Side by side

Differences highlightedShow differences only
23 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-B300 Wired Ceiling/wall White

Model PFM861-B300

View product
Features1 differ
Mounting typeDiffersWallCeiling/wall
Product colourWhiteWhite
Detection angleKnown for one90°
Housing materialKnown for oneAluminium, Polycarbonate (PC)
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 one26 dBmW
Detection distanceKnown for one450 m
Operating frequencyKnown for one24050 - 24150 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 one235 mm
DepthKnown for one175 mm
HeightKnown for one47.5 mm
WeightDiffers651 g1.65 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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