Product comparison · 2 smoke detectors

Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired vs Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless

Key differences

Connectivity technology
- DH-YJ104 smoke detector Optical beam detector Wired:Wired
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:Wireless
Alarm decibels
- DH-YJ104 smoke detector Optical beam detector Wired:1.8 dB
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:80 dB
Maximum range
- DH-YJ104 smoke detector Optical beam detector Wired:100 m
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:150 m
Power source
- DH-YJ104 smoke detector Optical beam detector Wired:DC
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:Battery
Operating temperature (T-T)
- DH-YJ104 smoke detector Optical beam detector Wired:-35 - 65 °C
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:-10 - 55 °C
Diameter
- DH-YJ104 smoke detector Optical beam detector Wired:12.3 cm
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:10.3 cm
Weight
- DH-YJ104 smoke detector Optical beam detector Wired:300 g
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:110 g

Differences highlightedShow differences only

Comparison of DH-YJ104, FAD122A-W
18 specifications	A Dahua Technology DH-YJ104 smoke detector Optical beam detector Wired Model DH-YJ104 View product	B Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless Model FAD122A-W View product
Features4 differ
Detector typeDiffers	Optical beam detector	Photoelectrical reflection detector
Connectivity technologyDiffers	Wired	Wireless
BandwidthKnown for one	Unknown — not stated by the source	433 MHz
Product colour	White	White
Alarm decibelsDiffers	1.8 dB	80 dB
Maximum rangeDiffers	100 m	150 m
Power1 differ
Power sourceDiffers	DC	Battery
Battery lifeKnown for one	Unknown — not stated by the source	3 year(s)
Battery voltageKnown for one	Unknown — not stated by the source	3.6 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%
Weight & dimensions2 differ
DiameterDiffers	12.3 cm	10.3 cm
HeightKnown for one	Unknown — not stated by the source	41 mm
WeightDiffers	300 g	110 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.