ST19 Wi‑Fi Dimmable Soft White LED Smart Bulb, 40W Eq.

This Philips ST19 LED smart bulb delivers cozy soft white (2700K) light with classic Edison style and modern Wi‑Fi control. It’s dimmable via the WiZ app or voice assistants and requires no hub—just connect to your 2.4 GHz Wi‑Fi to schedule, automate, and control from anywhere.

---

Key Features:

• Easy Smart Control: Connects directly to Wi‑Fi for app and voice control—no hub required
• Warm Ambience: Soft white 2700K glow with dimming to set the perfect mood
• Vintage Edison Look: Clear glass ST19 with visible LED filaments suits decorative fixtures
• Energy Saving: 3.8W LED replaces 40W incandescent; rated life up to 15,000 hours
• Wide Compatibility: Works with Google Assistant, Alexa, and Siri Shortcuts via WiZ

---

Specifications Table:

Specification	Details
Bulb Shape Code	ST19
Bulb Style	Edison
Bulb Finish	Clear
Bulb Material	Glass
Lighting Technology	LED
Color Temperature	Soft White (2700K)
Color Rendering Index (CRI)	90
Dimmable Capability	Dimmable
Average Life (hours)	15000
Wattage (Watts)	3.8
Wattage Equivalence	40
Voltage	120 V
Brightness	350 lumens (package image)
Control Type	App, Switch, Touch, Voice
Smart Home Protocol	Wi‑Fi
Requires Hub	No Hub Required
Voice Assistants	Google Assistant, Amazon Alexa, Siri Shortcuts
Indoor/Outdoor	Indoor/Outdoor
Rated	Wet Rated
Remote Access	Yes (via WiZ app)
Number of Bulbs Included	1
Filament Style	Straight
Filament Diameter	1 mm
Max Operating Temperature	113 °F
Certifications and Listings	UL Listed
Product Height	6.5 in (approx. 5.39 in on image callout)
Product Diameter	2.83 in (image shows 2.52 in)
Not Compatible With	Philips Hue app

---

Frequently Asked Questions (FAQ):

Q: Do I need a hub or bridge to use this bulb?
A: No—connect it directly to your 2.4 GHz Wi‑Fi and control with the WiZ app or voice assistants.

---

Q: Can I use it outdoors?
A: It’s rated for indoor/outdoor use; install in a fixture that protects it from direct water exposure.

---

Q: Is it compatible with Philips Hue?
A: No, it works with the WiZ app and ecosystem—not the Philips Hue app.

---

Q: What is the brightness and power usage?
A: It uses 3.8 watts and replaces a 40W incandescent, producing approximately 350 lumens.

---

Q: Can I use it with a wall dimmer?
A: Use app/voice dimming; performance on traditional wall dimmers may vary and is not recommended.

---

A Vintage Glow, Effortlessly Smart

This bulb marries the romance of an Edison silhouette with the ease of modern living. The clear glass and linear filaments sparkle, adding sculptural warmth to pendants and open fixtures. Cluster a few over a kitchen island or style one in a glass sconce to punctuate a cozy corner. With app‑smooth dimming and schedules, it becomes a quiet luxury that shapes your ambiance on demand.

---

Bring vintage charm and smart convenience to your space—add this Philips WiZ ST19 bulb to your cart today.

Warranty