Product comparison · 2 smoke detectors

Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless vs Hama GS 506G

7specifications compared
3differ
4identical
28known for one product only

Key differences

The Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless has 5 dB more alarm decibels than the Hama GS 506G (90 dB vs 85 dB). The Hama GS 506G has 0.2 cm more diameter than the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless (10 cm vs 9.8 cm). The Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless has 8.1 mm more height than the Hama GS 506G (43.1 mm vs 35 mm).

Alarm decibels
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:90 dB
- GS 506G:85 dB
Diameter
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:9.8 cm
- GS 506G:10 cm
Height
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:43.1 mm
- GS 506G:35 mm

Side by side

Differences highlightedShow differences only

Comparison of HY-SA21A-W2, GS 506G
35 specifications	A Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless Model HY-SA21A-W2 View product	B Hama GS 506G View product
Features1 differ
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
Connectivity technology	Wireless	Wireless
BandwidthKnown for one	868.3 MHz	Unknown — not stated by the source
Housing materialKnown for one	ABS	Unknown — not stated by the source
Product colour	White	White
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	Alarm, Fault, Power	Unknown — not stated by the source
Alarm decibelsDiffers	90 dB	85 dB
Alarm muteKnown for one	Yes	Unknown — not stated by the source
Maximum rangeKnown for one	1000 m	Unknown — not stated by the source
Reset buttonKnown for one	Unknown — not stated by the source	Yes
Easy to installKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Power source	Battery	Battery
Input voltageKnown for one	3 V	Unknown — not stated by the source
Battery lifeKnown for one	3 year(s)	Unknown — not stated by the source
Battery low indicationKnown for one	Yes	Unknown — not stated by the source
Battery typeKnown for one	CR123A	Unknown — not stated by the source
Compatible battery sizesKnown for one	CR123A	Unknown — not stated by the source
Battery voltageKnown for one	Unknown — not stated by the source	9 V
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
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
Weight & dimensions2 differ
DiameterDiffers	9.8 cm	10 cm
HeightDiffers	43.1 mm	35 mm
WeightKnown for one	140 g	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	CE	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
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	155 mm
Package depthKnown for one	Unknown — not stated by the source	116 mm
Package heightKnown for one	Unknown — not stated by the source	50 mm
Package weightKnown for one	Unknown — not stated by the source	165 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.

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