Product comparison · 2 smoke detectors

Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired vs Hama GS 508

7specifications compared
6differ
1identical
9known for one product only

Key differences

The Hama GS 508 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 GS 508 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 GS 508 (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 GS 508. Power source: DC on the Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired, Battery on the Hama GS 508.

Alarm decibels
- DH-YJ104 smoke detector Optical beam detector Wired:1.8 dB
- GS 508:85 dB
Power source
- DH-YJ104 smoke detector Optical beam detector Wired:DC
- GS 508:Battery
Width
- DH-YJ104 smoke detector Optical beam detector Wired:78.5 mm
- GS 508:100 mm
Depth
- DH-YJ104 smoke detector Optical beam detector Wired:115 mm
- GS 508:100 mm
Diameter
- DH-YJ104 smoke detector Optical beam detector Wired:12.3 cm
- GS 508:10 cm

Side by side

Differences highlightedShow differences only

Comparison of DH-YJ104, GS 508
16 specifications	A Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired Model DH-YJ104 View product	B Hama GS 508 View product
Features2 differ
Detector typeDiffers	Optical beam detector	Photoelectrical reflection detector
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
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
Input voltageKnown for one	24 V	Unknown — not stated by the source
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	-35 - 65 °C	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
WeightKnown for one	300 g	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	30 mm
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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