Philips Hue makes some of the best smart bulbs around, but they're not cheap. So if you've spotted the brand's Essentials range — which comes in at around half the price of the classic bulbs — you might be wondering what the catch is, and whether they're quite as good a buy as they seem. It's an especially pertinent question right now, because we're inundated with Philips Hue deals across both the Essential and standard ranges, as part of the Amazon Prime Day sales.
• View all Philips Hue deals on Amazon UK / Amazon US
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