All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 motion detectors

Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White vs Dahua Technology PFR4K-E50 Wired Ceiling/wall White

Add a product
  • 21specifications compared
  • 19differ
  • 2identical
  • 15known for one product only

Key differences

The Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White has 54° more detection angle than the Dahua Technology PFR4K-E50 Wired Ceiling/wall White (90° vs 36°). The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 10 dBmW more transmit power than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (20 dBmW vs 10 dBmW). The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 35 m more detection distance than the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White (50 m vs 15 m). Mounting type: Wall on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, Ceiling/wall on the Dahua Technology PFR4K-E50 Wired Ceiling/wall White. International Protection (IP) code: IP66 on the Dahua Technology DHI-ARD2251E-W2 motion detector Passive infrared (PIR) sensor/Microwave sensor Wireless Wall White, IP67 on the Dahua Technology PFR4K-E50 Wired Ceiling/wall White.

  • Mounting type
    • Wall
    • Ceiling/wall
  • Detection angle
    • 90°
    • 36°
  • International Protection (IP) code
    • IP66
    • IP67
  • Connectivity technology
    • Wireless
    • Wired
  • Transmit power
    • 10 dBmW
    • 20 dBmW
  • Detection distance
    • 15 m
    • 50 m
  • Operating frequency
    • 433.1 - 434.6 MHz
    • 24000 MHz
  • Power source type
    • Battery
    • AC, DC

Side by side

Differences highlightedShow differences only
36 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

Dahua Technology

PFR4K-E50 Wired Ceiling/wall White

Model PFR4K-E50

View product
Features3 differ
Mounting typeDiffersWallCeiling/wall
LED indicatorsKnown for oneAlarm
Security algorithmsKnown for one128-bit AES
Detection angleDiffers90°36°
Housing materialKnown for onePolycarbonate (PC)
International Protection (IP) codeDiffersIP66IP67
LED colourKnown for oneGreen
Security4 differ
Sensor typeKnown for onePassive infrared (PIR) sensor/Microwave sensor
Connectivity technologyDiffersWirelessWired
Transmit powerDiffers10 dBmW20 dBmW
Alarm functionKnown for oneYes
Detection distanceDiffers15 m50 m
InterfaceKnown for oneRF
Operating frequencyDiffers433.1 - 434.6 MHz24000 MHz
Transmission distanceKnown for one1200 m
Power1 differ
Power source typeDiffersBatteryAC, DC
Battery typeKnown for oneCR123A
Number of batteries supportedKnown for one4
Input voltageKnown for one12 V
Power consumption (standby)Known for one12 W
Power consumption (typical)Known for one14 W
Operational conditions3 differ
Operating relative humidity (H-H)Differs10 - 90%0 - 95%
Operating temperature (T-T)Differs-25 - 60 °C-40 - 70 °C
Storage temperature (T-T)Differs-25 - 60 °C-40 - 80 °C
Storage relative humidity (H-H)Known for one0 - 95%
Weight & dimensions4 differ
WidthDiffers106 mm157.9 mm
DepthDiffers94 mm67.1 mm
HeightDiffers211 mm204.9 mm
WeightDiffers651 g1.7 kg
Packaging data4 differ
Package widthDiffers251 mm171 mm
Package depthDiffers116 mm208 mm
Package heightDiffers119 mm256 mm
Package weightDiffers860 g2.2 kg
Quantity per packKnown for one1 pc(s)

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.

More motion detector comparisons

All motion detector comparisons