Product comparison · 2 smoke detectors

Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless vs LogiLink SC0018 smoke detector Photoelectrical reflection detector Wireless

13specifications compared
4differ
9identical
24known for one product only

Key differences

Alarm decibels
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:90 dB
- SC0018 smoke detector Photoelectrical reflection detector Wireless:85 dB
Battery life
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:3 year(s)
- SC0018 smoke detector Photoelectrical reflection detector Wireless:10 year(s)
Height
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:43.1 mm
- SC0018 smoke detector Photoelectrical reflection detector Wireless:28.5 mm
Weight
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:140 g
- SC0018 smoke detector Photoelectrical reflection detector Wireless:80 g

Side by side

Differences highlightedShow differences only

Comparison of HY-SA21A-W2, SC0018
37 specifications	A Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless Model HY-SA21A-W2 View product	B LogiLink SC0018 smoke detector Photoelectrical reflection detector Wireless Model SC0018 View product
Features1 differ
Best usesKnown for one	Unknown — not stated by the source	Home
Alarm decibelsDiffers	90 dB	85 dB
Placement supportedKnown for one	Unknown — not stated by the source	Horizontal
Easy to installKnown for one	Unknown — not stated by the source	Yes
BandwidthKnown for one	868.3 MHz	Unknown — not stated by the source
LED indicatorsKnown for one	Alarm, Fault, Power	Unknown — not stated by the source
Alarm muteKnown for one	Yes	Unknown — not stated by the source
Maximum rangeKnown for one	1000 m	Unknown — not stated by the source
Power1 differ
Battery lifeDiffers	3 year(s)	10 year(s)
Input voltageKnown for one	3 V	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
Weight & dimensions2 differ
WidthKnown for one	Unknown — not stated by the source	76 mm
DepthKnown for one	Unknown — not stated by the source	76 mm
HeightDiffers	43.1 mm	28.5 mm
WeightDiffers	140 g	80 g
DiameterKnown for one	9.8 cm	Unknown — not stated by the source
Packaging contentidentical
Mounting kitKnown for one	Unknown — not stated by the source	Yes
Screws includedKnown 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	90 mm
Package depthKnown for one	Unknown — not stated by the source	95 mm
Package heightKnown for one	Unknown — not stated by the source	40 mm
Package weightKnown for one	Unknown — not stated by the source	107 g
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Batteryidentical
Battery technologyKnown for one	Lithium	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	CE	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.

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