Product comparison · 2 motion detectors

Dahua Technology ARD311-W motion detector Wireless White vs Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White

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  • 11specifications compared
  • 8differ
  • 3identical
  • 24known for one product only

Key differences

The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 1,050 m more transmission distance than the Dahua Technology ARD311-W motion detector Wireless White (1200 m vs 150 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 22 mm more width than the Dahua Technology ARD311-W motion detector Wireless White (106 mm vs 84 mm). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 55 mm more depth than the Dahua Technology ARD311-W motion detector Wireless White (94 mm vs 39 mm). Housing material: Acrylonitrile butadiene styrene (ABS) on the Dahua Technology ARD311-W motion detector Wireless White, Polycarbonate (PC) on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White. Operating temperature (T-T): -10 - 50 °C on the Dahua Technology ARD311-W motion detector Wireless White, -25 - 60 °C on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White.

  • Transmission distance
    • ARD311-W motion detector Wireless White:150 m
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:1200 m
  • Operating temperature (T-T)
    • ARD311-W motion detector Wireless White:-10 - 50 °C
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
  • Storage temperature (T-T)
    • ARD311-W motion detector Wireless White:0 - 95 °C
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:-25 - 60 °C
  • Width
    • ARD311-W motion detector Wireless White:84 mm
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:106 mm
  • Depth
    • ARD311-W motion detector Wireless White:39 mm
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:94 mm
  • Height
    • ARD311-W motion detector Wireless White:22 mm
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:211 mm
  • Weight
    • ARD311-W motion detector Wireless White:100 g
    • DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White:651 g

Side by side

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Comparison of ARD311-W, DHI-ARD2251E-W2
35 specifications
Features1 differ
Mounting typeKnown for oneUnknown — not stated by the sourceWall
PlacementKnown for oneUnknown — not stated by the sourceIndoor, Outdoor
LED indicatorsKnown for oneUnknown — not stated by the sourceAlarm
Product colourWhiteWhite
Security algorithmsKnown for oneUnknown — not stated by the source128-bit AES
Detection angleKnown for oneUnknown — not stated by the source90°
Housing materialDiffersAcrylonitrile butadiene styrene (ABS)Polycarbonate (PC)
International Protection (IP) codeKnown for oneUnknown — not stated by the sourceIP66
LED colourKnown for oneUnknown — not stated by the sourceGreen
Security1 differ
Sensor typeKnown for oneUnknown — not stated by the sourcePassive infrared (PIR) sensor/Microwave sensor
Connectivity technologyWirelessWireless
Transmit powerKnown for oneUnknown — not stated by the source10 dBmW
Alarm functionKnown for oneUnknown — not stated by the sourceYes
Detection distanceKnown for oneUnknown — not stated by the source15 m
InterfaceKnown for oneUnknown — not stated by the sourceRF
Operating frequencyKnown for oneUnknown — not stated by the source433.1 - 434.6 MHz
Transmission distanceDiffers150 m1200 m
Poweridentical
Power source typeKnown for oneUnknown — not stated by the sourceBattery
Battery typeCR123ACR123A
Number of batteries supportedKnown for oneUnknown — not stated by the source4
Battery voltageKnown for one3 VUnknown — not stated by the source
Input voltageKnown for one3 VUnknown — not stated by the source
Operational conditions2 differ
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 90%
Operating temperature (T-T)Differs-10 - 50 °C-25 - 60 °C
Storage temperature (T-T)Differs0 - 95 °C-25 - 60 °C
Weight & dimensions4 differ
WidthDiffers84 mm106 mm
DepthDiffers39 mm94 mm
HeightDiffers22 mm211 mm
WeightDiffers100 g651 g
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source251 mm
Package depthKnown for oneUnknown — not stated by the source116 mm
Package heightKnown for oneUnknown — not stated by the source119 mm
Package weightKnown for oneUnknown — not stated by the source860 g
Batteryidentical
Battery capacityKnown for one50 mAhUnknown — not stated by the source
Packaging contentidentical
Batteries includedKnown for oneYesUnknown — not stated by the source

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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