Product comparison · 2 smoke detectors

Hama GS 558 vs Techly I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless

8specifications compared
3differ
5identical
15known for one product only

Key differences

The Hama GS 558 has 17 m more maximum range than the Techly I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless (20 m vs 3 m). The Techly I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless has 8 mm more width than the Hama GS 558 (128 mm vs 120 mm). The Hama GS 558 has 82 mm more depth than the Techly I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless (120 mm vs 38 mm).

Maximum range
- GS 558:20 m
- I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless:3 m
Width
- GS 558:120 mm
- I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless:128 mm
Depth
- GS 558:120 mm
- I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless:38 mm

Side by side

Differences highlightedShow differences only

Comparison of GS 558, I-ALARM-SMOKE
23 specifications	A Hama GS 558 View product	B Techly I-ALARM-SMOKE smoke detector Photoelectrical reflection detector Wireless Model I-ALARM-SMOKE View product
Features1 differ
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
InterconnectableKnown for one	Yes	Unknown — not stated by the source
Connectivity technology	Wireless	Wireless
Test buttonKnown for one	Yes	Unknown — not stated by the source
Product colour	White	White
Alarm decibels	85 dB	85 dB
Alarm muteKnown for one	Yes	Unknown — not stated by the source
Maximum rangeDiffers	20 m	3 m
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
Poweridentical
Power source	Battery	Battery
Battery low indicationKnown for one	Yes	Unknown — not stated by the source
Battery typeKnown for one	AA	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
Compatible battery sizesKnown for one	AA	Unknown — not stated by the source
Battery voltageKnown for one	Unknown — not stated by the source	9 V
Weight & dimensions2 differ
WidthDiffers	120 mm	128 mm
DepthDiffers	120 mm	38 mm
HeightKnown for one	36 mm	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-10 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 80%
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
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.

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