Product comparison · 2 smoke detectors

Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired vs Hama HSD1 Photoelectrical reflection detector Wireless

8specifications compared
7differ
1identical
17known for one product only

Key differences

The Hama HSD1 Photoelectrical reflection detector 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 Hama HSD1 Photoelectrical reflection detector Wireless has 21.5 mm more width than the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired (100 mm vs 78.5 mm). The Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired has 15 mm more depth than the Hama HSD1 Photoelectrical reflection detector Wireless (115 mm vs 100 mm). Detector type: Optical beam detector on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, Photoelectrical reflection detector on the Hama HSD1 Photoelectrical reflection detector Wireless. Connectivity technology: Wired on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, Wireless on the Hama HSD1 Photoelectrical reflection detector Wireless.

Connectivity technology
- DH-YJ104 smoke detector Optical beam detector Wired:Wired
- HSD1 Photoelectrical reflection detector Wireless:Wireless
Alarm decibels
- DH-YJ104 smoke detector Optical beam detector Wired:1.8 dB
- HSD1 Photoelectrical reflection detector Wireless:85 dB
Power source
- DH-YJ104 smoke detector Optical beam detector Wired:DC
- HSD1 Photoelectrical reflection detector Wireless:Battery
Width
- DH-YJ104 smoke detector Optical beam detector Wired:78.5 mm
- HSD1 Photoelectrical reflection detector Wireless:100 mm
Depth
- DH-YJ104 smoke detector Optical beam detector Wired:115 mm
- HSD1 Photoelectrical reflection detector Wireless:100 mm
Diameter
- DH-YJ104 smoke detector Optical beam detector Wired:12.3 cm
- HSD1 Photoelectrical reflection detector Wireless:10 cm

Side by side

Differences highlightedShow differences only

Comparison of DH-YJ104, HSD1
25 specifications	A Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired Model DH-YJ104 View product	B Hama HSD1 Photoelectrical reflection detector Wireless Model HSD1 View product
Features3 differ
Detector typeDiffers	Optical beam detector	Photoelectrical reflection detector
Connectivity technologyDiffers	Wired	Wireless
Product colour	White	White
Alarm decibelsDiffers	1.8 dB	85 dB
Maximum rangeKnown for one	100 m	Unknown — not stated by the source
Power1 differ
Power sourceDiffers	DC	Battery
Backup batteryKnown for one	Unknown — not stated by the source	Yes
Battery lifeKnown for one	Unknown — not stated by the source	10 year(s)
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
Compatible battery sizesKnown for one	Unknown — not stated by the source	CR123A
Input voltageKnown for one	24 V	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	78.5 mm	100 mm
DepthDiffers	115 mm	100 mm
DiameterDiffers	12.3 cm	10 cm
HeightKnown for one	Unknown — not stated by the source	35 mm
WeightKnown for one	300 g	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
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	155 mm
Package depthKnown for one	Unknown — not stated by the source	116 mm
Package heightKnown for one	Unknown — not stated by the source	50 mm
Package weightKnown for one	Unknown — not stated by the source	144 g
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Operational conditionsidentical
Operating temperature (T-T)Known for one	-35 - 65 °C	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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