Product comparison · 2 smoke detectors

Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless vs Hama GS 558

14specifications compared
4differ
10identical
19known for one product only

Key differences

The Hama GS 558 has 17 m more maximum range than the Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless (20 m vs 3 m). The Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless has 14 more simultaneously connected devices (max) than the Hama GS 558 (24 vs 10). The Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless has 7.1 mm more height than the Hama GS 558 (43.1 mm vs 36 mm). Battery type: CR123A on the Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless, AA on the Hama GS 558.

Maximum range
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:3 m
- GS 558:20 m
Number of simultaneously connected devices (max)
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:24
- GS 558:10
Battery type
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:CR123A
- GS 558:AA
Height
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:43.1 mm
- GS 558:36 mm

Side by side

Differences highlightedShow differences only

Comparison of HY-SA30A-R8, GS 558
33 specifications	A Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless Model HY-SA30A-R8 View product	B Hama GS 558 View product
Features2 differ
Best usesKnown for one	Home	Unknown — not stated by the source
BandwidthKnown for one	868 MHz	Unknown — not stated by the source
Housing materialKnown for one	ABS	Unknown — not stated by the source
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
Maximum rangeDiffers	3 m	20 m
Number of simultaneously connected devices (max)Differs	24	10
Easy to installKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Battery lifeKnown for one	10 year(s)	Unknown — not stated by the source
Battery typeDiffers	CR123A	AA
Battery voltageKnown for one	3 V	Unknown — not stated by the source
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
Compatible battery sizesKnown for one	Unknown — not stated by the source	AA
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
Certificatesidentical
CertificationKnown for one	TÜV and CE	Unknown — not stated by the source
Weight & dimensions1 differ
DiameterKnown for one	9.8 cm	Unknown — not stated by the source
HeightDiffers	43.1 mm	36 mm
WeightKnown for one	138 g	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	120 mm
DepthKnown for one	Unknown — not stated by the source	120 mm
Batteryidentical
Battery technologyKnown for one	Lithium	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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