Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired vs Hama GS 508

8specifications compared
3differ
5identical
11known for one product only

Key differences

The Hama GS 508 has 1 dB more alarm decibels than the Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired (85 dB vs 84 dB). The Hama GS 508 has 1.85 cm more diameter than the Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired (10 cm vs 8.15 cm). The Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired has 21.6 mm more height than the Hama GS 508 (51.6 mm vs 30 mm).

Alarm decibels
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:84 dB
- GS 508:85 dB
Diameter
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:8.15 cm
- GS 508:10 cm
Height
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:51.6 mm
- GS 508:30 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA40A, GS 508
19 specifications	A Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired Model DHI-HY-SA40A View product	B Hama GS 508 View product
Features1 differ
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
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 decibelsDiffers	84 dB	85 dB
Poweridentical
Power source	Battery	Battery
Battery life	10 year(s)	10 year(s)
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 low indicationKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	-10 - 55 °C	Unknown — not stated by the source
Weight & dimensions2 differ
DiameterDiffers	8.15 cm	10 cm
HeightDiffers	51.6 mm	30 mm
WeightKnown for one	110 g	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	100 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
Batteryidentical
Battery technology	Lithium	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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