Smart Home Assistant
Smart lighting
Twinkly Strings 250 RGB (20 m, Gen II)

Twinkly

Twinkly Strings 250 RGB (20 m, Gen II)

Native integrationLocal control
  • Wi-Fi
  • Bluetooth
See more smart lighting picks on our Amazon storefront →

Verified September 2026

The premium pick for UK festive and feature lighting: 250 individually mappable LEDs spaced 8 cm apart over a 20 m run, IP44-rated for a roofline or an outdoor tree wrap, plus a native Home Assistant integration that's local over Wi-Fi with auto-discovery and effect control. Generic RGB fairy lights are cheaper but only do whole-string colour changes — Twinkly's per-LED addressing runs chase, sparkle and gradient effects, not just "on, one colour". Best for a real tree wrap or roofline; for an indoor feature wall the shorter Twinkly Line fits better. Buy off-season — Amazon UK pricing swings hard around Christmas.

In Home Assistant

ControlTypeWhat it does
LightToggle + brightness + colourStandard light control
ModeSelectorSwitch between a saved effect and a plain solid colour — an effect must be saved via the Twinkly app first

If no effect has ever been saved to the string via the Twinkly app — common straight out of the box, or after a firmware update wipes saved effects — the light entity adds to HA but stays disabled/unavailable until you save at least one effect in-app and reload the integration. The separate mode-select entity is the useful bit for automations: switch between a saved ambient effect for evenings and a plain solid colour for functional alerts (e.g. flashing red on a security trigger), a distinction most single-colour HA lights can't offer.

Specs

ip rating
IP44 (indoor and outdoor rated)
led count
250
led spacing
8 cm
app required
Yes — Twinkly app (Bluetooth for initial setup, then Wi-Fi)
lighted length
20 m
lead cable length
2.5 m before first LED
power consumption
24W (24V, 1A adapter)
Affiliate disclosure: Some links in this article are affiliate links. If you buy via one of these links, we may earn a small commission at no extra cost to you. This never affects our editorial decisions — see our affiliate policy.