Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired vs Hama GS503 Photoelectrical reflection detector

4specifications compared
2differ
2identical
14known for one product only

Key differences

The Hama GS503 Photoelectrical reflection detector has 6 V more battery voltage than the Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired (9 V vs 3 V). Battery technology: Lithium-Ion (Li-Ion) on the Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired, Lithium on the Hama GS503 Photoelectrical reflection detector.

Battery voltage
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:3 V
- GS503 Photoelectrical reflection detector:9 V
Battery technology
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:Lithium-Ion (Li-Ion)
- GS503 Photoelectrical reflection detector:Lithium

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA40A-R8, GS503
18 specifications	A Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired Model DHI-HY-SA40A-R8 View product	B Hama GS503 Photoelectrical reflection detector Model GS503 View product
Featuresidentical
InterconnectableKnown for one	Yes	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Housing materialKnown for one	ABS	Unknown — not stated by the source
Product colour	White	White
Detector typeKnown for one	Unknown — not stated by the source	Photoelectrical reflection detector
Test buttonKnown for one	Unknown — not stated by the source	Yes
Alarm decibelsKnown for one	Unknown — not stated by the source	85 dB
Power1 differ
Power source	Battery	Battery
Battery voltageDiffers	3 V	9 V
Battery lifeKnown for one	Unknown — not stated by the source	10 year(s)
Battery low indicationKnown for one	Unknown — not stated by the source	Yes
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
Operational conditionsidentical
Operating temperature (T-T)Known for one	-10 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	81.5 mm	Unknown — not stated by the source
DepthKnown for one	51.6 mm	Unknown — not stated by the source
WeightKnown for one	110 g	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium

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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