Designed to be on display, Lightguide bulbs are the epitome of style.
ST72 – E27 smart bulb
Handblown and made of crystal-clear glass, Lightguide bulbs are a statement piece. The reflections from its inner tube and coating play off of each other, creating a unique light effect that perfectly complements its unique vintage-style shape.
Bulb Shape
£69.99
- Free shipping over £50 (UK only)
- Free 30-day returns
- 2-year warranty
Product highlights
- Handblown glass
- Reflective coating
- Glowing inner tube
- White and colour light
- ⌀72 mm
Frequently bought together
A modern marvel
Ultimate app control
Control your bulb with your smartphone or tablet using the Philips Hue app.

Go hands-free with voice
Control with voice commands by pairing with smart home assistants such as Amazon Alexa, Apple Home, and Google Assistant.

Control your way
Use the Philips Hue app, your voice, or smart accessories to control your Lightguide smart bulb.
Add accessories
Get a little more convenience out of your lights with easy-to-use accessories such as a dimmer switch or motion sensor.

Questions & Answers
Do I need special fittings for Philips Hue Lightguide bulbs?
Do I need special fittings for Philips Hue Lightguide bulbs?
What kind of lamp should I use with Lightguide bulbs?
What kind of lamp should I use with Lightguide bulbs?
Are Lightguide bulbs Bluetooth compatible?
Are Lightguide bulbs Bluetooth compatible?
What colour are Philips Hue Lightguide bulbs?
What colour are Philips Hue Lightguide bulbs?
Can I use the Lightguide bulb in outdoor and/or damp locations?
Can I use the Lightguide bulb in outdoor and/or damp locations?
Are Lightguide bulbs only for decorative purposes or can I use them for functional lighting?
Are Lightguide bulbs only for decorative purposes or can I use them for functional lighting?
Specifications
Lamp dimensions
Dimensions (WxHxD)
72x168
Durability
Number of switch cycles
50,000
Nominal lifetime
25,000
Environmental
Operational humidity
5% <H<95% (non-condensing)
Operational temperature
-20°C to 45°C
Extra feature/accessory incl.
Dimmable with the Hue app and switches
Yes
Guarantee
2 years
Yes
Light characteristics
Colour rendering index (CRI)
≥80
Packaging dimensions and weight
EAN/UPC - product
8719514419391
Net weight
0.13 kg
Gross weight
0.31 kg
Height
209 mm
Length
100 mm
Width
146 mm
Material number (12NC)
929003151501
Packaging information
EAN
8719514419391
Power consumption
Standby power consumption
0.5
Energy efficiency label (EEL)
G
Power Consumption
6.8
Service
Warranty
2 year(s)
Technical specifications
Lumen output bulb included
500 lm
Diameter
72 mm
Weight
84 g
Bulb technology
LED
Fitting/cap
E27
Lumen output at 2100K
500 lm
Lumen output at 2700K
500 lm
EPREL Registration Number
1838141
The bulb
Colour temperature
2000K-6500K +16 million colors
Form factor
ST72
Height
168 mm
Input voltage
220V-240V
Light output
White and colour light
Lumen output
500 lm @ 2700K
Power factor
0.5
Software upgradable
Yes
Start up
Instant 100% light output
Communication protocol
Bluetooth
Zigbee
What's in the box
Hue bulbs
1
What's supported
Compatible with Effects feature
Yes
HomeKit compatible
Yes
IOS
Yes
Philips Hue App
Android 10.0 and above
iOS 16 or later
Voice assistants (Hue Bridge required)
Amazon Alexa
Apple HomeKit
Google Assistant
WiFi
Works without Wi-Fi
Defined support period
5 years, except 3 years for Hue Bridge (see “End of Support Policy”)
Max. number of accessories
12 (with Hue Bridge)
Other
User manual
No manual available
Disposal of the product
At the end of (economic) life, dispose the product according to local rules and do not dispose the product with regular household waste. The correct disposal of your product will help prevent potential negative consequences for the environment and human health
Dismantling
No dismantle information available
*When a bulb displays "Up to" a certain number of lumens in its specifications, it displays the maximum lumen output of the bulb. It shows how bright the bulb can get at 2700 K (White bulbs) or 4000 K (White ambiance or White and colour ambiance bulbs). Learn more about brightness.