Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired vs Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless

Key differences

Connectivity technology
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:Wired
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:Wireless
Alarm decibels
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:84 dB
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:80 dB
Battery life
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:10 year(s)
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:3 year(s)
Diameter
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:8.15 cm
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:10.3 cm
Height
- DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired:51.6 mm
- FAD122A-W smoke detector Photoelectrical reflection detector Wireless:41 mm

Differences highlightedShow differences only

Comparison of DHI-HY-SA40A, FAD122A-W
20 specifications	A Dahua Technology DHI-HY-SA40A smoke detector Photoelectrical reflection detector Wired Model DHI-HY-SA40A View product	B Dahua Technology FAD122A-W smoke detector Photoelectrical reflection detector Wireless Model FAD122A-W View product
Features2 differ
Detector type	Photoelectrical reflection detector	Photoelectrical reflection detector
Connectivity technologyDiffers	Wired	Wireless
Product colour	White	White
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	Yes	Unknown — not stated by the source
Alarm decibelsDiffers	84 dB	80 dB
BandwidthKnown for one	Unknown — not stated by the source	433 MHz
Maximum rangeKnown for one	Unknown — not stated by the source	150 m
Power1 differ
Power source	Battery	Battery
Battery lifeDiffers	10 year(s)	3 year(s)
Battery typeKnown for one	CR123A	Unknown — not stated by the source
Number of batteries supportedKnown for one	1	Unknown — not stated by the source
Battery voltageKnown for one	Unknown — not stated by the source	3.6 V
Operational conditionsidentical
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Weight & dimensions2 differ
DiameterDiffers	8.15 cm	10.3 cm
HeightDiffers	51.6 mm	41 mm
Weight	110 g	110 g
Batteryidentical
Battery technology	Lithium	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.