Sonoff B1 – Dimmable E27 LED Lamp RGB Color Light Bulb

119.00 4

No Hub Required – Connect the bulb directly to your Wi-Fi at home
Manage Remotely – Control your lights from anywhere with your tablet or smartphone the free eWeLink app (iOS, Android)
Color Changing – Fine-tune colors for every occasion and adjust brightness as well as light appearance from soft white (2800k) to daylight (6500k)
Voice Control – Pair to Amazon Alexa and to enable voice control
Save Energy – Reduce energy use up to 80% without brightness or quality loss compared to a 60W incandescent bulb
Compatibility – Works perfectly with Amazon Alexa, Google Assistant, Google Nest


Sonoff B1 is white and color ambiance dimmable LED bulb with E27 screw base. The dimming led lamp can be dimmed or brighten via iOS/Android App. With the App, users can select White, then the light will become white ambiance, they can set color temperature from cold to warm and change the brightness from 1%-100%. If they select a color, they can change color spectrum of the RGB bulbs to favourite atmosphere. There are four available scenes for the dimming LED bulb: rest, reading, party and casual. The Sonoff B1 E27 color LED bulb is compatible with Amazon Alexa(Amazon Echo, Echo Dot, Tap). Users can ask Alexa to dim or brighten, or adjust the colors of the led light bulb.


• Remote ON/OFF
• White & Color light
• Color changeable
• Color temperature adjusting in White light
• Dimmable brightness in White light
• Works with Amazon Echo, Echo Dot, Amazon Tap
• Works with Google Home, Google Nest

Works With Alexa

You can ask Alexa to change color temperature, color and brightness for Sonoff B1.

Color temperature mapping:

Shades of White Color Temperature value (in degrees Kelvin):
• warm, warm white 2200
• incandescent, soft white 2700
• white 4000
• daylight, daylight white 5500
• cool, cool white 7000 (if the device can’t support 7000k, then max supported CT will be used)

Color temperature changing example:

Note: you can only change this in White light, if the light is in Color mode, please switch to White in the App first.
• Alexa, change the {deviceName} to white
• Alexa, make the {deviceName} warm white
• Alexa, set the {deviceName} to daylight
• Alexa, set the {deviceName} cooler
• Alexa, make the {deviceName} whiter
• Alexa, set the {deviceName} softer
• Alexa, make the {deviceName} warmer

Color changing example:

• Color words: red, yellow, green, blue, white, black, orange, pink, purple, etc.
• Alexa, set the {deviceName} to red
• Alexa, change the {deviceName} to the color blue
• Alexa, turn the {deviceName} green

Brightness changing example:

• Alexa, set {deviceName} to 90 percent
• Alexa, increase {deviceName} by 40 percent
• Alexa, decrease {deviceName} by 40 percent


• Power Supply: 90V~250V AC (50/60Hz)
• Lamp Base: E27
• Rated Power: 6W
• Typical Lumen Output: 600lm
• Beam Angle: 120 Degree typical
• Color Temperature: 2800K-6500K & RGB full color
• Dimmable: Yes (via eWeLink/Amazon Echo/Google Home)
• Wireless Standard: WiFi 802.11b/g/n
• Security Mechanism: WPA-PSK/WPA2-PSK
• Rated Input Voltage: 90-260V AC 50/60Hz
• Stand-by (Light off) power: 0.5W Max
• Operating Humidity: 5%-90% RH
• Operating Temperature: 0ºC~ 40ºC (32°F ~ 104°F )
• Storage Temperature: -20ºC~ 80ºC (-4°F ~ 176°F )
• Packaging Dimensions: 85*80*140 (mm)
• Certification: CE