Product comparison · 2 smoke detectors

Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless vs LogiLink ∑Smoke Wireless

10specifications compared
5differ
5identical
23known for one product only

Key differences

The Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless has 900 m more maximum range than the LogiLink ∑Smoke Wireless (1000 m vs 100 m). The LogiLink ∑Smoke Wireless has 9.9 mm more height than the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless (53 mm vs 43.1 mm). Battery life: 3 year(s) on the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless, 1 year(s) on the LogiLink ∑Smoke Wireless. Operating temperature (T-T): -10 - 55 °C on the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless, 0 - 40 °C on the LogiLink ∑Smoke Wireless. Operating relative humidity (H-H): 0 - 95% on the Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless, 10 - 85% on the LogiLink ∑Smoke Wireless.

Maximum range
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:1000 m
- ∑Smoke Wireless:100 m
Battery life
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:3 year(s)
- ∑Smoke Wireless:1 year(s)
Operating temperature (T-T)
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:-10 - 55 °C
- ∑Smoke Wireless:0 - 40 °C
Operating relative humidity (H-H)
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:0 - 95%
- ∑Smoke Wireless:10 - 85%
Height
- HY-SA21A-W2 Photoelectrical reflection detector Wireless:43.1 mm
- ∑Smoke Wireless:53 mm

Side by side

Differences highlightedShow differences only

Comparison of HY-SA21A-W2, ∑Smoke
33 specifications	A Dahua Technology HY-SA21A-W2 Photoelectrical reflection detector Wireless Model HY-SA21A-W2 View product	B LogiLink ∑Smoke Wireless Model ∑Smoke View product
Features1 differ
Detector typeKnown for one	Photoelectrical reflection detector	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 decibelsKnown for one	90 dB	Unknown — not stated by the source
Alarm muteKnown for one	Yes	Unknown — not stated by the source
Maximum rangeDiffers	1000 m	100 m
Test buttonKnown for one	Unknown — not stated by the source	Yes
Mounting typeKnown for one	Unknown — not stated by the source	Surface-mounted
Placement supportedKnown for one	Unknown — not stated by the source	Horizontal/Vertical
Power1 differ
Input voltageKnown for one	3 V	Unknown — not stated by the source
Battery lifeDiffers	3 year(s)	1 year(s)
Battery typeKnown for one	CR123A	Unknown — not stated by the source
Battery voltageKnown for one	Unknown — not stated by the source	3 V
Operational conditions2 differ
Operating temperature (T-T)Differs	-10 - 55 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	0 - 95%	10 - 85%
Weight & dimensions1 differ
DiameterKnown for one	9.8 cm	Unknown — not stated by the source
HeightDiffers	43.1 mm	53 mm
WeightKnown for one	140 g	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	120 mm
DepthKnown for one	Unknown — not stated by the source	120 mm
Batteryidentical
Battery technologyKnown for one	Lithium	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	CE	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	RoHS, CE
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
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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