Smart lighting is any light you can control beyond a wall switch — from your phone, by voice, or automatically on a schedule. That includes smart bulbs that screw or clip into your existing holders, LED strips for accent and ambient light, panel and ceiling fixtures, and smart switches that make ordinary lights controllable. Depending on the product you can dim, change colour or colour-temperature (warm to cool white), group rooms into scenes, set routines like "on at sunset, off at bedtime," and control everything with Alexa or Google. The appeal is convenience and ambience, plus modest energy savings from dimming and automation — lights that aren't on full, or aren't left on at all.

Only while the wall switch is left on — and this catches almost everyone out. A smart bulb needs continuous power to stay connected, so if someone flips the ordinary switch off, the bulb loses power and vanishes from the app until the switch is flipped back on. There are three good fixes. Replace the wall switch with a smart switch (or add a smart module behind it) so the switch itself becomes app- and voice-controllable. Or simply leave the wall switch permanently on and control the light by app, voice or a smart button. Or, where you mostly want on/off and dimming rather than colour, choose smart switches instead of smart bulbs. We sort this out first, because it's the difference between smart lighting that delights and smart lighting that frustrates.

In India, most light holders are B22 — the bayonet type where the bulb pushes in and twists to lock — rather than the E27 screw base that's more common in Europe and the US. A lot of smart bulbs are sold in both, and buying the wrong one is a frustrating (if fixable) mistake, since adapters exist but add clutter. Some fittings, especially newer or imported fixtures and certain lamps, do use E27 or the smaller E14, so it's worth checking your actual holders before ordering. We make sure the bulbs we suggest come in the base your fixtures use, so everything fits first time.

It depends on how many lights you're planning. WiFi bulbs connect straight to your home WiFi with no extra hardware, so they're the cheapest and simplest way to start and are perfect for a few rooms. The catch is that every bulb becomes another device on your WiFi, and once you have fifteen or twenty of them, that can strain the network and make control feel sluggish or unreliable. At that scale a hub-based system using Zigbee — Philips Hue is the best-known — is more robust, because the lights talk to a dedicated hub on their own low-power network instead of crowding your WiFi. So: few lights, WiFi is fine; a whole home of lights, lean towards a hub. We advise based on your scale rather than defaulting to either.

Most people are happiest with tunable white — bulbs that shift from warm, cosy light in the evening to bright, cool light for work or the kitchen — rather than full RGB colour. RGB is genuinely fun for accent lighting, festivals, kids' rooms or a TV backlight, but for everyday room lighting many people set a colour once and never change it, so paying extra for sixteen million colours you won't use is money better saved; we recommend tunable white unless you have a real use for colour. On energy: smart LEDs use the same low wattage as ordinary LEDs, so the bulb itself isn't dramatically cheaper to run, but the automation helps — dimming, schedules and never leaving lights on in empty rooms genuinely trims usage over time. This is general guidance rather than a binding quote, and models, specs and prices here are illustrative and change often. Smart lighting relies on solid WiFi — see our Smart WiFi Systems page — and pairs with a Voice Assistant for hands-free control.