Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless vs Hama LM-107A Wired

8specifications compared
5differ
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 Hama LM-107A Wired (90 dB vs 85 dB). The Hama LM-107A Wired has 0.3 cm more diameter than the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless (10.1 cm vs 9.8 cm). Connectivity technology: Wireless on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, Wired on the Hama LM-107A Wired. Battery life: 3 year(s) on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, 10 year(s) on the Hama LM-107A Wired. Certification: EN 14604:2005+AC:2008 on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, DIN EN 14604 on the Hama LM-107A Wired.

Connectivity technology
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:Wireless
- LM-107A Wired:Wired
Alarm decibels
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:90 dB
- LM-107A Wired:85 dB
Battery life
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:3 year(s)
- LM-107A Wired:10 year(s)
Certification
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:EN 14604:2005+AC:2008
- LM-107A Wired:DIN EN 14604
Diameter
- DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless:9.8 cm
- LM-107A Wired:10.1 cm

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA21A-W2(868), LM-107A
31 specifications	A Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless Model DHI-HY-SA21A-W2(868) View product	B Hama LM-107A Wired Model LM-107A View product
Features2 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 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
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
Power1 differ
Input voltageKnown for one	3 V	Unknown — not stated by the source
Battery lifeDiffers	3 year(s)	10 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
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	DIN EN 14604
Weight & dimensions1 differ
DiameterDiffers	9.8 cm	10.1 cm
HeightKnown for one	43.1 mm	Unknown — not stated by the source
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
Quantity per packKnown for one	Unknown — not stated by the source	2 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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