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Novostella Smart Bulb B22 RGBCW, WiFi Colour Changing Bayonet Bulb, Dimmable Tunable White 3 Pack £30.99 Sold by Ustellar-EU & FB Amazon.
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Novostella Smart Bulb B22 RGBCW, WiFi Colour Changing Bayonet Bulb, Dimmable Tunable White 3 Pack £30.99 Sold by Ustellar-EU & FB Amazon.

£30.99£39.9923%Amazon Deals
15
Posted 6th Feb

This deal is expired. Here are some options that might interest you:

  • 【Ture RGBCW & Dimmable】 Pure Warm White+Pure Cool White+RGB; Extra LEDs to control white colour which is tunable from 2700-6500K. Brightness, temperature and saturation are adjustable. Light up your life changing from orange, red, purple, blue, green etc.
  • 【Smart Light Bulb】Control all functions by smart phone. Works with Alexa Echo Dot, Google Home for voice control. No hub required, remote control your light from anywhere in the world with ‘Smart Life’ APP (Android & iOS).
  • 【8 Various Scenes】DIY your 4 joyful scenes for flash, strobe, shine, smooth lights; normal 4 scenes of ambience lighting for music or birthday party at home.
  • 【Schedule & Customize】Control your lights your way. Set light schedules for easy home automation. Such as wake you up in the morning, help you sleep at night, turn light on when you upon return. APP also supports single/group control lights, customized setting (delay, sunrise and sunset, weather, scene, etc.).
  • 【Wide Usage】 Great for home, hotel, Halloween, birthday party, KTV, bar, disco, pub, cafe, restaurants using. Its also ideal for using as a mood/ambient light. The bulbs were manufactured under strict standards and passed CE, FCC and RoHS authority tests.

£39.99 usually but you can apply a £9 voucher which brings it down to £30.99. Seemed like a good deal for 3 bulbs.
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15 Comments
Can anyone in the know shed any light on how these differ to Phillips Hue? Is there any functionality that Hue has that these don’t?
alexj147182206/02/2020 10:24

Can anyone in the know shed any light on how these differ to Phillips Hue? …Can anyone in the know shed any light on how these differ to Phillips Hue? Is there any functionality that Hue has that these don’t?


Doesn't Philips hue require a hub ?

These aren't very bright 7w
Got these work very well , only complaint is not the brightest
What is 7w converted to old measures? Does the hub with Hue enable extra functions though? For example, with these bulbs, could I add them to a group like ‘Upstairs bedroom’ and tell Alexa to turn ‘Upstairs bedroom’ lights off? Or would I have to turn each one off at a time?
If you don't desperately need them now, these were in between £20-24 before. Decent price for RGBCW but you may be able to get the 9w at this price, at a push even the 12w one. If you wait, off course.
Edited by: "sheffield788" 6th Feb
Yes can be grouped
alexj147182206/02/2020 10:35

What is 7w converted to old measures? Does the hub with Hue enable extra …What is 7w converted to old measures? Does the hub with Hue enable extra functions though? For example, with these bulbs, could I add them to a group like ‘Upstairs bedroom’ and tell Alexa to turn ‘Upstairs bedroom’ lights off? Or would I have to turn each one off at a time?


I don't really believe in this new LED 7W equals old 60W malarkey.
Ive got a 18W LED in the lounge and that probably is close to the older 60W bulbs.
7w is closer to 30w
adamderak06/02/2020 12:07

I don't really believe in this new LED 7W equals old 60W malarkey.Ive got …I don't really believe in this new LED 7W equals old 60W malarkey.Ive got a 18W LED in the lounge and that probably is close to the older 60W bulbs.


alexj147182206/02/2020 10:35

What is 7w converted to old measures? ...


The wattage (w) is a measure of how much power they consume. With old-style (incandescent) bulbs, it was a fair measure of how much light to expect.
The light output is measured in Lumens. Google says an old 60w bulb gave about 840 lumens - ADDED and a 40w about 460 lumens.
The bulbs on this deal use 7w of power and are claimed to produce 600 lumens.
The more expensive 9w versions are claimed to produce 810 lumens.

Because some electrical power gets used for the control electronics, and different efficiency LEDs may be used, the wattage doesn't translate directly into lumen brightness for different 'smart' bulbs.
Then you get into the accuracy of the claimed lumen output (at its most farcical with cheap Chinese projectors claiming sometimes 20x more than they deliver.)
And human visual perception (brightness at different colours, etc) isn't straightforward. Adapting the tech to perception is where the cleverness comes in, and that is probably Philips' 'quality' advantage. But the more garish your colour tastes, the less that is likely to matter.

I'm currently talking myself into trying a £25 (each) TP Link bulb, because one of its claimed tricks is an ability to progressively change colour temperature (the colour of white) during the day, to match daylight.
Edited by: "wdh" 6th Feb
wdh06/02/2020 13:02

The wattage (w) is a measure of how much power they consume. With …The wattage (w) is a measure of how much power they consume. With old-style (incandescent) bulbs, it was a fair measure of how much light to expect. The light output is measured in Lumens. Google says an old 60w bulb gave about 840 lumens - ADDED and a 40w about 460 lumens. The bulbs on this deal use 7w of power and are claimed to produce 600 lumens. The more expensive 9w versions are claimed to produce 810 lumens. Because some electrical power gets used for the control electronics, and different efficiency LEDs may be used, the wattage doesn't translate directly into lumen brightness for different 'smart' bulbs. Then you get into the accuracy of the claimed lumen output (at its most farcical with cheap Chinese projectors claiming sometimes 20x more than they deliver.) And human visual perception (brightness at different colours, etc) isn't straightforward. Adapting the tech to perception is where the cleverness comes in, and that is probably Philips' 'quality' advantage. But the more garish your colour tastes, the less that is likely to matter. I'm currently talking myself into trying a £25 (each) TP Link bulb, because one of its claimed tricks is an ability to progressively change colour temperature (the colour of white) during the day, to match daylight.


That sounds good, do you have a link?
Would you guys advise against buying these then?

I was originally going to go for one of these LIFX (E27) Wi-Fi Smart LED Light Bulb:

amazon.co.uk/adj…XV/

But at £55 each, these looked like a good alternative.
Edited by moderator: "trimmed link" 6th Feb
alexj147182206/02/2020 13:46

That sounds good, do you have a link?


The TP Link Multicolour (Bayonet fitting version) at Currys (for example, seems like today's standard price) currys.co.uk/gbu…tml
I haven't tried it yet, but I'm leaning towards that rather than Philips White Ambience Bluetooth for about the same price.
I like the TP Link dimmable warm white smart bulbs that I have (about £15 each nowadays), but want to explore how significant colour-of-white adjustment turns out to be for me.

ADDED - despite what Currys say, TP-Link describe the feature thus -
  • Auto White – Set your bulb to automatically adjust its color temperature to match natural light patterns from dawn to dusk.
tp-link.com/uk/…30/
Edited by: "wdh" 6th Feb
I wish these came with Bluetooth.
sheffield78806/02/2020 10:40

If you don't desperately need them now, these were in between £20-24 …If you don't desperately need them now, these were in between £20-24 before. Decent price for RGBCW but you may be able to get the 9w at this price, at a push even the 12w one. If you wait, off course.


Yes they seem to go up and down from time to time
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