All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 smoke detectors

Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless vs Hama GS536 Optical detector

Add a product
  • 7specifications compared
  • 5differ
  • 2identical
  • 32known for one product only

Key differences

The Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless has 5 dB more alarm decibels than the Hama GS536 Optical detector (90 dB vs 85 dB). The Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless has 0.85 cm more diameter than the Hama GS536 Optical detector (9.8 cm vs 8.95 cm). The Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless has 8.1 mm more height than the Hama GS536 Optical detector (43.1 mm vs 35 mm). Detector type: Photoelectrical reflection detector on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, Optical detector on the Hama GS536 Optical detector. LED indicators: Alarm, Fault, Power on the Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless, Alarm on the Hama GS536 Optical detector.

  • LED indicators
    • Alarm, Fault, Power
    • Alarm
  • Alarm decibels
    • 90 dB
    • 85 dB
  • Diameter
    • 9.8 cm
    • 8.95 cm
  • Height
    • 43.1 mm
    • 35 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

Dahua Technology

DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless

Model DHI-HY-SA21A-W2(868)

View product
B

Hama

GS536 Optical detector

Model GS536

View product
Features3 differ
Detector typeDiffersPhotoelectrical reflection detectorOptical detector
InterconnectableKnown for oneNo
Connectivity technologyKnown for oneWireless
BandwidthKnown for one868.3 MHz
Housing materialKnown for oneABS
Product colourWhiteWhite
Suitable for indoor useKnown for oneYes
Light alarmKnown for oneYes
LED indicatorsDiffersAlarm, Fault, PowerAlarm
Alarm decibelsDiffers90 dB85 dB
Alarm muteKnown for oneYes
Maximum rangeKnown for one1000 m
Mounting typeKnown for oneSurface-mounted
Test buttonKnown for oneYes
Easy to installKnown for oneYes
Poweridentical
Power sourceBatteryBattery
Input voltageKnown for one3 V
Battery lifeKnown for one3 year(s)
Battery low indicationKnown for oneYes
Battery typeKnown for oneCR123A
Compatible battery sizesKnown for oneCR123A
Battery voltageKnown for one9 V
Number of batteries supportedKnown for one1
Operational conditionsidentical
Operating temperature (T-T)Known for one-10 - 55 °C
Operating relative humidity (H-H)Known for one0 - 95%
Certificatesidentical
CertificationKnown for oneEN 14604:2005+AC:2008
Weight & dimensions2 differ
DiameterDiffers9.8 cm8.95 cm
HeightDiffers43.1 mm35 mm
WeightKnown for one140 g
Batteryidentical
Battery technologyKnown for oneLithium
Sustainabilityidentical
Compliance certificatesKnown for oneCE
Packaging contentidentical
Mounting kitKnown for oneYes
ManualKnown for oneYes
Batteries includedKnown for oneYes
Packaging dataidentical
Package widthKnown for one170 mm
Package depthKnown for one90 mm
Package heightKnown for one45 mm
Package weightKnown for one144 g
Quantity per packKnown for one1 pc(s)

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.

More smoke detector comparisons

All smoke detector comparisons