Product comparison · 2 smoke detectors

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

6specifications compared
1differ
5identical
16known for one product only

Key differences

Battery technology: Lithium on the Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired, Lithium-Ion (Li-Ion) on the Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired.

Battery technology
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:Lithium
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:Lithium-Ion (Li-Ion)

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA40A, DHI-HY-SA40A-R8
22 specifications	A Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired Model DHI-HY-SA40A 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
Connectivity technology	Wired	Wired
Product colour	White	White
Suitable for indoor useKnown for one	Yes	Unknown — not stated by the source
Light alarmKnown for one	Yes	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Alarm decibelsKnown for one	84 dB	Unknown — not stated by the source
InterconnectableKnown for one	Unknown — not stated by the source	Yes
Housing materialKnown for one	Unknown — not stated by the source	ABS
Poweridentical
Power source	Battery	Battery
Battery lifeKnown for one	10 year(s)	Unknown — not stated by the source
Battery typeKnown for one	CR123A	Unknown — not stated by the source
Number of batteries supportedKnown for one	1	Unknown — not stated by the source
Battery voltageKnown for one	Unknown — not stated by the source	3 V
Operational conditionsidentical
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Weight & dimensionsidentical
DiameterKnown for one	8.15 cm	Unknown — not stated by the source
HeightKnown for one	51.6 mm	Unknown — not stated by the source
Weight	110 g	110 g
WidthKnown for one	Unknown — not stated by the source	81.5 mm
DepthKnown for one	Unknown — not stated by the source	51.6 mm
Battery1 differ
Battery technologyDiffers	Lithium	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.

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