Product comparison · 2 smoke detectors

Hama GS 558 vs Hama GS503 Photoelectrical reflection detector

Key differences

The Hama GS 558 has 1 more batteries supported than the Hama GS503 Photoelectrical reflection detector (2 vs 1).

Number of batteries supported
- GS 558:2
- GS503 Photoelectrical reflection detector:1

Differences highlightedShow differences only

Comparison of GS 558, GS503
21 specifications	A Hama GS 558 View product	B Hama GS503 Photoelectrical reflection detector Model GS503 View product
Featuresidentical
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
InterconnectableKnown for one	Yes	Unknown — not stated by the source
Connectivity technologyKnown for one	Wireless	Unknown — not stated by the source
Test button	Yes	Yes
Product colour	White	White
Alarm decibels	85 dB	85 dB
Alarm muteKnown for one	Yes	Unknown — not stated by the source
Maximum rangeKnown for one	20 m	Unknown — not stated by the source
Mounting typeKnown for one	Surface-mounted	Unknown — not stated by the source
Number of simultaneously connected devices (max)Known for one	10	Unknown — not stated by the source
Power1 differ
Power source	Battery	Battery
Battery low indication	Yes	Yes
Battery typeKnown for one	AA	Unknown — not stated by the source
Number of batteries supportedDiffers	2	1
Compatible battery sizesKnown for one	AA	Unknown — not stated by the source
Battery lifeKnown for one	Unknown — not stated by the source	10 year(s)
Battery voltageKnown for one	Unknown — not stated by the source	9 V
Weight & dimensionsidentical
WidthKnown for one	120 mm	Unknown — not stated by the source
DepthKnown for one	120 mm	Unknown — not stated by the source
HeightKnown for one	36 mm	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	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.