Product comparison · 2 doorbell chimes

Dahua Technology DB41AW doorbell chime Black, White vs Imou DS21 doorbell chime White

15specifications compared
8differ
7identical
23known for one product only

Key differences

The Imou DS21 doorbell chime White has 7 mm more width than the Dahua Technology DB41AW doorbell chime Black, White (52 mm vs 45 mm). The Dahua Technology DB41AW doorbell chime Black, White has 107 mm more depth than the Imou DS21 doorbell chime White (135 mm vs 28 mm). The Imou DS21 doorbell chime White has 70.8 mm more height than the Dahua Technology DB41AW doorbell chime Black, White (95 mm vs 24.2 mm). Product colour: Black, White on the Dahua Technology DB41AW doorbell chime Black, White, White on the Imou DS21 doorbell chime White. Power source type: DC, USB on the Dahua Technology DB41AW doorbell chime Black, White, AC on the Imou DS21 doorbell chime White.

Product colour
- DB41AW doorbell chime Black, White:Black, White
- DS21 doorbell chime White:White
Power source type
- DB41AW doorbell chime Black, White:DC, USB
- DS21 doorbell chime White:AC
Operating temperature (T-T)
- DB41AW doorbell chime Black, White:-20 - 55 °C
- DS21 doorbell chime White:-10 - 50 °C
Width
- DB41AW doorbell chime Black, White:45 mm
- DS21 doorbell chime White:52 mm
Depth
- DB41AW doorbell chime Black, White:135 mm
- DS21 doorbell chime White:28 mm
Height
- DB41AW doorbell chime Black, White:24.2 mm
- DS21 doorbell chime White:95 mm
Weight
- DB41AW doorbell chime Black, White:110 g
- DS21 doorbell chime White:230 g

Side by side

Differences highlightedShow differences only

Comparison of DB41AW, DS21
38 specifications	A Dahua Technology DB41AW doorbell chime Black, White Model DB41AW View product	B Imou DS21 doorbell chime White Model DS21 View product
Design1 differ
Product colourDiffers	Black, White	White
Housing materialKnown for one	Plastic	Unknown — not stated by the source
Indication lightKnown for one	Unknown — not stated by the source	Yes
Features1 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Motion sensorKnown for one	Yes	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP65	Unknown — not stated by the source
Cameraidentical
Megapixel (approx.)Known for one	4 MP	Unknown — not stated by the source
Maximum video resolutionKnown for one	2560 x 1440 pixels	Unknown — not stated by the source
Frame rateKnown for one	15 fps	Unknown — not stated by the source
Fixed focal lengthKnown for one	2.3 mm	Unknown — not stated by the source
F-number (relative aperture)Known for one	2.2	Unknown — not stated by the source
Night visionKnown for one	Yes	Unknown — not stated by the source
Night vision distanceKnown for one	10 m	Unknown — not stated by the source
Storageidentical
Memory card slot(s)Known for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Maximum memory card sizeKnown for one	256 GB	Unknown — not stated by the source
Power1 differ
Power source typeDiffers	DC, USB	AC
AC input frequencyKnown for one	Unknown — not stated by the source	90 - 240 Hz
Power consumption (typical)Known for one	Unknown — not stated by the source	5 W
Operational conditions1 differ
Operating temperature (T-T)Differs	-20 - 55 °C	-10 - 50 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Technical detailsidentical
Compliance certificatesKnown for one	CE	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	45 mm	52 mm
DepthDiffers	135 mm	28 mm
HeightDiffers	24.2 mm	95 mm
WeightDiffers	110 g	230 g
Packaging contentidentical
Installation instructionKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	Box

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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