Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless vs LogiLink SC0002 smoke detector

7specifications compared
4differ
3identical
23known for one product only

Key differences

The Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless has 5 dB more alarm decibels than the LogiLink SC0002 smoke detector (90 dB vs 85 dB). Battery life: 3 year(s) on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, 5 year(s) on the LogiLink SC0002 smoke detector. Certification: EN 14604:2005+AC:2008 on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, EN14604 on the LogiLink SC0002 smoke detector. Battery technology: Lithium on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, Alkaline on the LogiLink SC0002 smoke detector.

Alarm decibels
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:90 dB
- SC0002 smoke detector:85 dB
Battery life
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:3 year(s)
- SC0002 smoke detector:5 year(s)
Certification
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:EN 14604:2005+AC:2008
- SC0002 smoke detector:EN14604
Battery technology
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:Lithium
- SC0002 smoke detector:Alkaline

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA21A-W2(868), SC0002
30 specifications	A Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless Model DHI-HY-SA21A-W2(868) View product	B LogiLink SC0002 smoke detector Model SC0002 View product
Features1 differ
Detector typeKnown for one	Photoelectrical reflection detector	Unknown — not stated by the source
InterconnectableKnown for one	No	Unknown — not stated by the source
Connectivity technologyKnown for one	Wireless	Unknown — not stated by the source
BandwidthKnown for one	868.3 MHz	Unknown — not stated by the source
Housing materialKnown for one	ABS	Unknown — not stated by the source
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
Mounting typeKnown for one	Surface-mounted	Unknown — not stated by the source
Test buttonKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Input voltageKnown for one	3 V	Unknown — not stated by the source
Battery lifeDiffers	3 year(s)	5 year(s)
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
Certificates1 differ
CertificationDiffers	EN 14604:2005+AC:2008	EN14604
Weight & dimensionsidentical
DiameterKnown for one	9.8 cm	Unknown — not stated by the source
HeightKnown for one	43.1 mm	Unknown — not stated by the source
WeightKnown for one	140 g	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium	Alkaline
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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