Product comparison · 2 smoke detectors

Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired vs Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired

Key differences

Power source
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:AC
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:Battery
Width
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:103 mm
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:81.5 mm
Depth
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:104 mm
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:51.6 mm
Weight
- DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired:120 g
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:110 g

Differences highlightedShow differences only

Comparison of DHI-FAD201A, DHI-HY-SA40A-R8
14 specifications	A Dahua Technology DHI-FAD201A smoke detector Photoelectrical reflection detector Interconnectable Wired Model DHI-FAD201A View product	B Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired Model DHI-HY-SA40A-R8 View product
Featuresidentical
Detector typeKnown for one	Photoelectrical reflection detector	Unknown — not stated by the source
Power1 differ
Power sourceDiffers	AC	Battery
Battery voltageKnown for one	Unknown — not stated by the source	3 V
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Weight & dimensions3 differ
WidthDiffers	103 mm	81.5 mm
DepthDiffers	104 mm	51.6 mm
WeightDiffers	120 g	110 g
HeightKnown for one	46 mm	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)

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.