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Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White

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  • 8specifications compared
  • 7differ
  • 1identical
  • 25known for one product only

Key differences

The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 12.5 m more detection distance than the Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White (15 m vs 2.5 m). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 68 mm more width than the Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White (106 mm vs 38 mm). The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 56 mm more depth than the Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White (94 mm vs 38 mm). Mounting type: Wall on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Ceiling on the Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White.

  • Mounting type
    • Wall
    • Ceiling
  • Detection distance
    • 15 m
    • 2.5 m
  • Width
    • 106 mm
    • 38 mm
  • Depth
    • 94 mm
    • 38 mm
  • Height
    • 211 mm
    • 50.3 mm
  • Weight
    • 651 g
    • 28 g

Side by side

Differences highlightedShow differences only
33 specifications
A

Dahua Technology

DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White

Model DHI-ARD2251E-W2

View product
B

Legrand

048778 motion detector Passive infrared (PIR) sensor Ceiling White

Model 048778

View product
Features1 differ
Mounting typeDiffersWallCeiling
PlacementKnown for oneIndoor, Outdoor
LED indicatorsKnown for oneAlarm
Product colourWhiteWhite
Security algorithmsKnown for one128-bit AES
Detection angleKnown for one90°
Housing materialKnown for onePolycarbonate (PC)
International Protection (IP) codeKnown for oneIP66
LED colourKnown for oneGreen
Security2 differ
Sensor typeDiffersPassive infrared (PIR) sensor/Microwave sensorPassive infrared (PIR) sensor
Connectivity technologyKnown for oneWireless
Transmit powerKnown for one10 dBmW
Alarm functionKnown for oneYes
Detection distanceDiffers15 m2.5 m
InterfaceKnown for oneRF
Operating frequencyKnown for one433.1 - 434.6 MHz
Transmission distanceKnown for one1200 m
Poweridentical
Power source typeKnown for oneBattery
Battery typeKnown for oneCR123A
Number of batteries supportedKnown for one4
Power consumptionKnown for one9 mA
Input voltageKnown for one8-30 V
Operational conditionsidentical
Operating relative humidity (H-H)Known for one10 - 90%
Operating temperature (T-T)Known for one-25 - 60 °C
Storage temperature (T-T)Known for one-25 - 60 °C
Weight & dimensions4 differ
WidthDiffers106 mm38 mm
DepthDiffers94 mm38 mm
HeightDiffers211 mm50.3 mm
WeightDiffers651 g28 g
Packaging dataidentical
Package widthKnown for one251 mm
Package depthKnown for one116 mm
Package heightKnown for one119 mm
Package weightKnown for one860 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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