Imou DS21 doorbell chime White vs Philips by Signify Philips Secure smart chime

Comparison of DS21, 8720169277243

41 specifications	A Imou DS21 doorbell chime White Model DS21 View product	B Philips by Signify Philips Secure smart chime Model 8720169277243 View product
Designidentical
Product colour	White	White
Housing materialKnown for one	—Unknown — not stated by the source	Plastic
Compatible productsKnown for one	—Unknown — not stated by the source	Hue Bridge; Hue Secure; Hue Wired doorbell
Indication lightKnown for one	Yes	—Unknown — not stated by the source
Reset buttonKnown for one	Yes	—Unknown — not stated by the source
Features1 differ
Wi-FiDiffers	Yes	No
International Protection (IP) codeKnown for one	—Unknown — not stated by the source	IP20
Works with Amazon AlexaKnown for one	—Unknown — not stated by the source	Yes
Works with the Google AssistantKnown for one	—Unknown — not stated by the source	Yes
Connection typeKnown for one	Wireless	—Unknown — not stated by the source
Wi-Fi frequencyKnown for one	2.4 GHz	—Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	—Unknown — not stated by the source
Built-in speaker(s)Known for one	Yes	—Unknown — not stated by the source
Mobile operating systems supportedKnown for one	Android, iOS	—Unknown — not stated by the source
Technical detailsidentical
Communication protocolKnown for one	—Unknown — not stated by the source	Bluetooth; Zigbee
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Android; iOS
EAN/UPC/GTIN (packaging)Known for one	—Unknown — not stated by the source	8720169277243
EffectsKnown for one	—Unknown — not stated by the source	Yes
Chimes per doorbellKnown for one	—Unknown — not stated by the source	1 without Bridge; ≤12 with Bridge; ≤50 with Bridge Pro
Compatible with Hue secureKnown for one	—Unknown — not stated by the source	Yes
Mute and unmuteKnown for one	—Unknown — not stated by the source	With app; With local button; With schedules
Package net weightKnown for one	—Unknown — not stated by the source	90 g
Philips Hue app supportedKnown for one	—Unknown — not stated by the source	Yes
Radio frequency sensingKnown for one	—Unknown — not stated by the source	MotionAwareTM
Zigbee repeater functionKnown for one	—Unknown — not stated by the source	Yes
Packaging dataidentical
Package widthKnown for one	—Unknown — not stated by the source	720 mm
Package depthKnown for one	—Unknown — not stated by the source	860 mm
Package heightKnown for one	—Unknown — not stated by the source	1400 mm
Package weightKnown for one	—Unknown — not stated by the source	170 g
Package typeKnown for one	Box	—Unknown — not stated by the source
Poweridentical
Power source typeKnown for one	AC	—Unknown — not stated by the source
AC input frequencyKnown for one	90 - 240 Hz	—Unknown — not stated by the source
Power consumption (typical)Known for one	5 W	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	-10 - 50 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	52 mm	—Unknown — not stated by the source
DepthKnown for one	28 mm	—Unknown — not stated by the source
HeightKnown for one	95 mm	—Unknown — not stated by the source
WeightKnown for one	230 g	—Unknown — not stated by the source
Packaging contentidentical
Quick start guideKnown for one	Yes	—Unknown — not stated by the source
QuantityKnown for one	1	—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.