Product comparison · 2 smoke detectors

Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless vs LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired

12specifications compared
7differ
5identical
19known for one product only

Key differences

The Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless has 5 dB more alarm decibels than the LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired (90 dB vs 85 dB). The Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless has 8.6 mm more height than the LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired (43.1 mm vs 34.5 mm). The Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless has 25 g more weight than the LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired (140 g vs 115 g). Connectivity technology: Wireless on the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless, Wired on the LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired. LED indicators: Alarm, Fault, Power on the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless, Yes on the LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired.

Connectivity technology
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:Wireless
- SC0015 smoke detector Photoelectrical reflection detector Wired:Wired
LED indicators
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:Alarm, Fault, Power
- SC0015 smoke detector Photoelectrical reflection detector Wired:Yes
Alarm decibels
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:90 dB
- SC0015 smoke detector Photoelectrical reflection detector Wired:85 dB
Battery life
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:3 year(s)
- SC0015 smoke detector Photoelectrical reflection detector Wired:1 year(s)
Height
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:43.1 mm
- SC0015 smoke detector Photoelectrical reflection detector Wired:34.5 mm
Weight
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:140 g
- SC0015 smoke detector Photoelectrical reflection detector Wired:115 g
Battery technology
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:Lithium
- SC0015 smoke detector Photoelectrical reflection detector Wired:Zinc-carbon

Side by side

Differences highlightedShow differences only

Comparison of HY-SA21A-W2, SC0015
31 specifications	A Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless Model HY-SA21A-W2 View product	B LogiLink SC0015 smoke detector Photoelectrical reflection detector Wired Model SC0015 View product
Features3 differ
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
Connectivity technologyDiffers	Wireless	Wired
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 use	Yes	Yes
Light alarmKnown for one	Yes	Unknown — not stated by the source
LED indicatorsDiffers	Alarm, Fault, Power	Yes
Alarm decibelsDiffers	90 dB	85 dB
Alarm mute	Yes	Yes
Maximum rangeKnown for one	1000 m	Unknown — not stated by the source
Best usesKnown for one	Unknown — not stated by the source	Home
Test buttonKnown for one	Unknown — not stated by the source	Yes
Mounting typeKnown for one	Unknown — not stated by the source	Surface-mounted
Power1 differ
Power source	Battery	Battery
Input voltageKnown for one	3 V	Unknown — not stated by the source
Battery lifeDiffers	3 year(s)	1 year(s)
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
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
DiameterKnown for one	9.8 cm	Unknown — not stated by the source
HeightDiffers	43.1 mm	34.5 mm
WeightDiffers	140 g	115 g
WidthKnown for one	Unknown — not stated by the source	100 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
Battery1 differ
Battery technologyDiffers	Lithium	Zinc-carbon
Sustainabilityidentical
Compliance certificatesKnown for one	CE	Unknown — not stated by the source
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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