Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired vs Hama HSD1 Photoelectrical reflection detector Wireless

10specifications compared
4differ
6identical
17known for one product only

Key differences

The Hama HSD1 Photoelectrical reflection detector Wireless 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 HSD1 Photoelectrical reflection detector Wireless 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 16.6 mm more height than the Hama HSD1 Photoelectrical reflection detector Wireless (51.6 mm vs 35 mm). Connectivity technology: Wired on the Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired, Wireless on the Hama HSD1 Photoelectrical reflection detector Wireless.

Connectivity technology
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:Wired
- HSD1 Photoelectrical reflection detector Wireless:Wireless
Alarm decibels
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:84 dB
- HSD1 Photoelectrical reflection detector Wireless:85 dB
Diameter
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:8.15 cm
- HSD1 Photoelectrical reflection detector Wireless:10 cm
Height
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:51.6 mm
- HSD1 Photoelectrical reflection detector Wireless:35 mm

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA40A, HSD1
27 specifications	A Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired Model DHI-HY-SA40A View product	B Hama HSD1 Photoelectrical reflection detector Wireless Model HSD1 View product
Features2 differ
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
Connectivity technologyDiffers	Wired	Wireless
Product colour	White	White
Alarm decibelsDiffers	84 dB	85 dB
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
Poweridentical
Power source	Battery	Battery
Backup batteryKnown for one	Unknown — not stated by the source	Yes
Battery life	10 year(s)	10 year(s)
Number of batteries supported	1	1
Compatible battery sizesKnown for one	Unknown — not stated by the source	CR123A
Battery typeKnown for one	CR123A	Unknown — not stated by the source
Weight & dimensions2 differ
WidthKnown for one	Unknown — not stated by the source	100 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
DiameterDiffers	8.15 cm	10 cm
HeightDiffers	51.6 mm	35 mm
WeightKnown for one	110 g	Unknown — not stated by the source
Packaging contentidentical
Mounting kitKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery technology	Lithium	Lithium
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	155 mm
Package depthKnown for one	Unknown — not stated by the source	116 mm
Package heightKnown for one	Unknown — not stated by the source	50 mm
Package weightKnown for one	Unknown — not stated by the source	144 g
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Operational conditionsidentical
Operating temperature (T-T)Known for one	-10 - 55 °C	Unknown — not stated by the source

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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