Product comparison · 2 smoke detectors

Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired vs Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless

9specifications compared
8differ
1identical
23known for one product only

Key differences

The Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless has 83.2 dB more alarm decibels than the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired (85 dB vs 1.8 dB). The Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired has 97 m more maximum range than the Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless (100 m vs 3 m). The Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired has 2.5 cm more diameter than the Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless (12.3 cm vs 9.8 cm). Detector type: Optical beam detector on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, Photoelectrical reflection detector on the Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless. Connectivity technology: Wired on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, Wireless on the Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless.

Connectivity technology
- DH-YJ104 smoke detector Optical beam detector Wired:Wired
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:Wireless
Alarm decibels
- DH-YJ104 smoke detector Optical beam detector Wired:1.8 dB
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:85 dB
Maximum range
- DH-YJ104 smoke detector Optical beam detector Wired:100 m
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:3 m
Power source
- DH-YJ104 smoke detector Optical beam detector Wired:DC
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:Battery
Operating temperature (T-T)
- DH-YJ104 smoke detector Optical beam detector Wired:-35 - 65 °C
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:-10 - 55 °C
Diameter
- DH-YJ104 smoke detector Optical beam detector Wired:12.3 cm
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:9.8 cm
Weight
- DH-YJ104 smoke detector Optical beam detector Wired:300 g
- HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless:138 g

Side by side

Differences highlightedShow differences only

Comparison of DH-YJ104, HY-SA30A-R8
32 specifications	A Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired Model DH-YJ104 View product	B Dahua Technology HY-SA30A-R8 smoke detector Photoelectrical reflection detector Interconnectable Wireless Model HY-SA30A-R8 View product
Features4 differ
Detector typeDiffers	Optical beam detector	Photoelectrical reflection detector
InterconnectableKnown for one	Unknown — not stated by the source	Yes
Connectivity technologyDiffers	Wired	Wireless
Best usesKnown for one	Unknown — not stated by the source	Home
BandwidthKnown for one	Unknown — not stated by the source	868 MHz
Test buttonKnown for one	Unknown — not stated by the source	Yes
Housing materialKnown for one	Unknown — not stated by the source	ABS
Product colour	White	White
Suitable for indoor useKnown for one	Unknown — not stated by the source	Yes
Light alarmKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Alarm decibelsDiffers	1.8 dB	85 dB
Alarm muteKnown for one	Unknown — not stated by the source	Yes
Maximum rangeDiffers	100 m	3 m
Mounting typeKnown for one	Unknown — not stated by the source	Surface-mounted
Number of simultaneously connected devices (max)Known for one	Unknown — not stated by the source	24
Easy to installKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power sourceDiffers	DC	Battery
Battery lifeKnown for one	Unknown — not stated by the source	10 year(s)
Battery low indicationKnown for one	Unknown — not stated by the source	Yes
Battery typeKnown for one	Unknown — not stated by the source	CR123A
Battery voltageKnown for one	Unknown — not stated by the source	3 V
Input voltageKnown for one	24 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	-35 - 65 °C	-10 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	TÜV and CE
Weight & dimensions2 differ
DiameterDiffers	12.3 cm	9.8 cm
HeightKnown for one	Unknown — not stated by the source	43.1 mm
WeightDiffers	300 g	138 g
WidthKnown for one	78.5 mm	Unknown — not stated by the source
DepthKnown for one	115 mm	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium

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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