Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired vs Digicom 8D5785DA smoke detector Optical detector Wireless

5specifications compared
3differ
2identical
21known for one product only

Key differences

The Digicom 8D5785DA smoke detector Optical detector Wireless has 6 V more battery voltage than the Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired (9 V vs 3 V). Connectivity technology: Wired on the Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired, Wireless on the Digicom 8D5785DA smoke detector Optical detector Wireless. Operating temperature (T-T): -10 - 55 °C on the Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired, 0 - 50 °C on the Digicom 8D5785DA smoke detector Optical detector Wireless.

Connectivity technology
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:Wired
- 8D5785DA smoke detector Optical detector Wireless:Wireless
Battery voltage
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:3 V
- 8D5785DA smoke detector Optical detector Wireless:9 V
Operating temperature (T-T)
- DHI-HY-SA40A-R8 smoke detector Interconnectable Wired:-10 - 55 °C
- 8D5785DA smoke detector Optical detector Wireless:0 - 50 °C

Side by side

Differences highlightedShow differences only

Comparison of DHI-HY-SA40A-R8, 8D5785DA
26 specifications	A Dahua Technology DHI-HY-SA40A-R8 smoke detector Interconnectable Wired Model DHI-HY-SA40A-R8 View product	B Digicom 8D5785DA smoke detector Optical detector Wireless Model 8D5785DA View product
Features1 differ
Detector typeKnown for one	Unknown — not stated by the source	Optical detector
Connectivity technologyDiffers	Wired	Wireless
BandwidthKnown for one	Unknown — not stated by the source	868 MHz
Test buttonKnown for one	Unknown — not stated by the source	Yes
Product colour	White	White
Alarm decibelsKnown for one	Unknown — not stated by the source	95 dB
Maximum rangeKnown for one	Unknown — not stated by the source	50 m
Mounting typeKnown for one	Unknown — not stated by the source	Surface-mounted
Placement supportedKnown for one	Unknown — not stated by the source	Horizontal
InterconnectableKnown for one	Yes	Unknown — not stated by the source
Housing materialKnown for one	ABS	Unknown — not stated by the source
Power1 differ
Power source	Battery	Battery
Battery lifeKnown for one	Unknown — not stated by the source	1 year(s)
Battery voltageDiffers	3 V	9 V
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
Compatible battery sizesKnown for one	Unknown — not stated by the source	9v
Operational conditions1 differ
Operating temperature (T-T)Differs	-10 - 55 °C	0 - 50 °C
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Weight & dimensionsidentical
DiameterKnown for one	Unknown — not stated by the source	11 cm
HeightKnown for one	Unknown — not stated by the source	32 mm
WidthKnown for one	81.5 mm	Unknown — not stated by the source
DepthKnown for one	51.6 mm	Unknown — not stated by the source
WeightKnown for one	110 g	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Package typeKnown for one	Unknown — not stated by the source	Box
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	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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