Product comparison · 2 smoke detectors

Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless vs Hama GS 558

7specifications compared
3differ
4identical
19known for one product only

Key differences

The Hama GS 558 has 5 dB more alarm decibels than the Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless (85 dB vs 80 dB). The Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless has 130 m more maximum range than the Hama GS 558 (150 m vs 20 m). The Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless has 5 mm more height than the Hama GS 558 (41 mm vs 36 mm).

Alarm decibels
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:80 dB
- GS 558:85 dB
Maximum range
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:150 m
- GS 558:20 m
Height
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:41 mm
- GS 558:36 mm

Side by side

Differences highlightedShow differences only

Comparison of FAD122A-W, GS 558
26 specifications	A Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless Model FAD122A-W View product	B Hama GS 558 View product
Features2 differ
InterconnectableKnown for one	Unknown — not stated by the source	Yes
Test buttonKnown for one	Unknown — not stated by the source	Yes
Alarm decibelsDiffers	80 dB	85 dB
Alarm muteKnown for one	Unknown — not stated by the source	Yes
Maximum rangeDiffers	150 m	20 m
Mounting typeKnown for one	Unknown — not stated by the source	Surface-mounted
Number of simultaneously connected devices (max)Known for one	Unknown — not stated by the source	10
BandwidthKnown for one	433 MHz	Unknown — not stated by the source
Poweridentical
Battery low indicationKnown for one	Unknown — not stated by the source	Yes
Battery typeKnown for one	Unknown — not stated by the source	AA
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
Battery lifeKnown for one	3 year(s)	Unknown — not stated by the source
Battery voltageKnown for one	3.6 V	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	120 mm
DepthKnown for one	Unknown — not stated by the source	120 mm
HeightDiffers	41 mm	36 mm
DiameterKnown for one	10.3 cm	Unknown — not stated by the source
WeightKnown for one	110 g	Unknown — not stated by the source
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
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.

More smoke detector comparisons

All smoke detector comparisons