Product comparison · 2 motion detectors

D-Link DCH-B122 motion detector Wireless White vs Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White

5specifications compared
4differ
1identical
16known for one product only

Key differences

The D-Link DCH-B122 motion detector Wireless White has 13 mm more width than the Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White (51 mm vs 38 mm). The D-Link DCH-B122 motion detector Wireless White has 13 mm more depth than the Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White (51 mm vs 38 mm). The Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White has 15.8 mm more height than the D-Link DCH-B122 motion detector Wireless White (50.3 mm vs 34.5 mm).

Width
- DCH-B122 motion detector Wireless White:51 mm
- 048778 motion detector Passive infrared (PIR) sensor Ceiling White:38 mm
Depth
- DCH-B122 motion detector Wireless White:51 mm
- 048778 motion detector Passive infrared (PIR) sensor Ceiling White:38 mm
Height
- DCH-B122 motion detector Wireless White:34.5 mm
- 048778 motion detector Passive infrared (PIR) sensor Ceiling White:50.3 mm
Weight
- DCH-B122 motion detector Wireless White:37.7 g
- 048778 motion detector Passive infrared (PIR) sensor Ceiling White:28 g

Side by side

Differences highlightedShow differences only

Comparison of DCH-B122, 048778
21 specifications	A D-Link DCH-B122 motion detector Wireless White Model DCH-B122 View product	B Legrand 048778 motion detector Passive infrared (PIR) sensor Ceiling White Model 048778 View product
Featuresidentical
Product colour	White	White
ZigBeeKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	128-bit AES	Unknown — not stated by the source
CertificationKnown for one	FCC, IC, CE, RCM, Zigbee 3.0	Unknown — not stated by the source
Mounting typeKnown for one	Unknown — not stated by the source	Ceiling
Securityidentical
Connectivity technologyKnown for one	Wireless	Unknown — not stated by the source
Operating frequencyKnown for one	2400 MHz	Unknown — not stated by the source
Transmission distanceKnown for one	40 m	Unknown — not stated by the source
Sensor typeKnown for one	Unknown — not stated by the source	Passive infrared (PIR) sensor
Detection distanceKnown for one	Unknown — not stated by the source	2.5 m
Poweridentical
Power source typeKnown for one	Battery	Unknown — not stated by the source
Battery lifeKnown for one	2 year(s)	Unknown — not stated by the source
Battery typeKnown for one	CR2450	Unknown — not stated by the source
Number of batteries supportedKnown for one	1	Unknown — not stated by the source
Power consumptionKnown for one	Unknown — not stated by the source	9 mA
Input voltageKnown for one	Unknown — not stated by the source	8-30 V
Weight & dimensions4 differ
WidthDiffers	51 mm	38 mm
DepthDiffers	51 mm	38 mm
HeightDiffers	34.5 mm	50.3 mm
WeightDiffers	37.7 g	28 g
Batteryidentical
Battery technologyKnown for one	Lithium	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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