Hama GS 558 vs Hama GS536 Optical detector

Comparison of GS 558, GS536

30 specifications	A Hama GS 558View product	B Hama GS536 Optical detector Model GS536 View product
Features1 differ
Detector typeDiffers	Photoelectrical reflection detector	Optical detector
Test button	Yes	Yes
Product colour	White	White
LED indicatorsKnown for one	—Unknown — not stated by the source	Alarm
Alarm decibels	85 dB	85 dB
Easy to installKnown for one	—Unknown — not stated by the source	Yes
InterconnectableKnown for one	Yes	—Unknown — not stated by the source
Connectivity technologyKnown for one	Wireless	—Unknown — not stated by the source
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 voltageKnown for one	—Unknown — not stated by the source	9 V
Number of batteries supportedDiffers	2	1
Battery low indicationKnown for one	Yes	—Unknown — not stated by the source
Battery typeKnown for one	AA	—Unknown — not stated by the source
Compatible battery sizesKnown for one	AA	—Unknown — not stated by the source
Weight & dimensions1 differ
DiameterKnown for one	—Unknown — not stated by the source	8.95 cm
HeightDiffers	36 mm	35 mm
WidthKnown for one	120 mm	—Unknown — not stated by the source
DepthKnown for one	120 mm	—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
Batteries includedKnown for one	—Unknown — not stated by the source	Yes
Packaging dataidentical
Package widthKnown for one	—Unknown — not stated by the source	170 mm
Package depthKnown for one	—Unknown — not stated by the source	90 mm
Package heightKnown for one	—Unknown — not stated by the source	45 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)

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.