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A19 shape smart LED bulb with E26 base, white finish, 2.36 by 4.41 inches

TP-Link

TP-Link KL125 smart bulb E26 9W 800lm 2.4GHz WiFi multicolor

SKU CH-BEJZ-S5WW2 MPN KL125

A 9 W E26 smart bulb delivering 800 lumens of tunable white and 16 million colours over 2.4 GHz Wi‑Fi, controllable by Alexa, Google Assistant or the Kasa app without a hub

  • Connection protocolWiFi
  • Product typeSmart Bulb
  • DetailsWifi Protocol: IEEE 802.11b/g/n Wifi Frequency: 2.4 GHz Kasa
  • Key featuresMulticolor Experience endless lighting possibilities with th
  • Product dimensions2.36 in × 4.41 in
  • Product weight0.306 lb (0.14 kg)
  • 16 million colours with adjustable 2500K-6500K white tones
  • Voice control via Alexa and Google Assistant for hands-free operation
  • Remote access and away mode through the Kasa smartphone app
  • 800 lumens at 9 watts with 90 CRI for accurate colours
  • Standard E26 base fits existing fixtures without a hub

Smart WiFi Colour Bulb

The TP-Link KL125 is an E26 smart LED bulb that delivers 800 lumens from 9 watts. It connects directly to a secured 2.4 GHz WiFi network using IEEE 802.11b/g/n without a separate hub. The Kasa app for iOS 10 or Android 5.0 and higher handles setup, scheduling and remote control from anywhere. Voice commands work with Amazon Alexa and Google Assistant.

Fits Standard Sockets And Apps

The A19 shape fits common E26 lampholders at 120 volts and 60 hertz. A 220 degree beam angle spreads light widely for general room lighting. No hub hardware is required, freeing a power outlet and simplifying the network. The bulb operates between minus 15 and 40 degrees Celsius and 10 to 90 percent humidity non-condensing. Grouping lets one command control multiple bulbs together.

Replaces Fixed-Colour Bulbs

This unit replaces single-colour or non-dimmable bulbs where adjustable white from 2500 to 6500 kelvin and 16 million colours add value. The jump is worth it when you want app dimming from 1 to 100 percent, away-mode scheduling and voice control without rewiring. It is not for fixtures needing 5 GHz connectivity, higher lumen output or a CRI above 90.

How it compares

Measured against everything we stock in Plugs, Dimmers & Smart Lighting, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 91% of the 370 comparable items (median $31.99).

Specifications

Product
Brand nameKasa Smart
Model nameKL125
Product typeSmart Bulb
Connectivity
Connection protocolWiFi
Size & build
Product dimensions2.36 in × 4.41 in
Product weight0.306 lb (0.14 kg)
Shipping weight0.09 kg
Package size121 × 64 × 61 mm
Compatibility
Alexa supportYes
Google Assistant supportYes

Questions about this item

How long will the bulb last at its maximum 40 °C operating temperature before the LEDs degrade?

The bulb is rated for continuous operation up to 40 °C (104 °F) with 10–90 % non-condensing humidity.

Does the 9 W draw produce noticeable heat or fan noise when left on all day?

The bulb draws 9 W, has no fan, and runs silently; surface warmth is typical for an 800 lm LED.

What must already be in place for the KL125 to connect and be controlled?

A secured 2.4 GHz IEEE 802.11b/g/n Wi-Fi network and a smartphone running iOS 10 or Android 5.0 or higher with the Kasa app.

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