i have 2 switches for the stairs can i use a smart dimmer on one side?

I believe what you mean is a “3-way” situation (two switches that control the same light). This is NOT compatible with 3-way switch situations.

Is the sliding button of the switch flexible enough?

Hello, Treatlife's switches are made of high-quality materials to ensure that every customer is handy when using every step. You only need to gently slide the button to achieve the dimming function, which is a special smart home experience. Hope it helps you.

What types of bulbs can be used with?

Dear Customer： Thanks for your question. The dimmable light switch is compatible with non-smart but dimmable LED 150W max, Halogens/Incandescent 400W max, and CFL 150W max bulbs. Also, it is only suitable for single poles, hopefully, this can help. Any problem, please let us know.

Why does it flicker during work.

Please make sure you are using it in a good 2.4Ghz network environment. If your home is 5Ghz, please switch the network to 2.4Ghz. A bad network environment will affect the use of smart switch.

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TREATLIFE Smart Dimmer Switch, Treatlife WiFi Light Switch for Dimmable Led/Halogen/Incandescent Bulbs Dimmer Switch 4Pack

TREATLIFE Smart Dimmer Switch, Treatlife WiFi Light Switch for Dimmable Led/Halogen/Incandescent Bulbs Dimmer Switch 4Pack

Product ID: 728845684

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Details

Operation mode
ON-OFF
Current rating
3 Amps
Operating voltage
120 Volts
Contact type
Normally
Connector type
Clamp
Brand
TREATLIFE

⚡Supports up to 400W load

💡0-100% smooth dimming

📱Remote app & voice control

Description

💡 Light up your life, smartly and stylishly.

ANYWHERE ACCESS - Control your lights remotely via app—never come home to a dark house again.
AUTOMATE YOUR LIGHTING - Schedule personalized light scenes for wake-up, bedtime, or vacation security.
SMART HOME INTEGRATION - Works flawlessly with Alexa, Google Assistant, and IFTTT for hands-free control.
EFFORTLESS INSTALLATION - Standard wallplate size with no hub needed; step-by-step guide included for quick setup.
SEAMLESS DIMMING EXPERIENCE - Slide or tap to set perfect ambiance from candlelight glow to full brightness.

The TREATLIFE Smart Dimmer Switch is a versatile WiFi-enabled light switch compatible with dimmable LED, CFL, halogen, and incandescent bulbs up to 400W. It offers smooth 0-100% dimming via touch, remote control through smartphone app, and voice commands via Alexa and Google Assistant. With scheduling, group control, and IFTTT integration, it automates your home lighting effortlessly. Designed for easy installation with a neutral wire and no hub required, this 4-pack ensures your entire home can enjoy smart lighting convenience.

Specifications

Manufacturer	TREATLIFE
Part number	V-DS02F
Item Weight	640 g
Product Dimensions	11.94 x 7.62 x 4.32 cm; 640 g
Item model number	DS01-4
Colour	Dimmer (4 Units)
Style	Single Pole
Power source type	Corded Electric
Voltage	120 Volts
Wattage	400 watts
Installation method	Screw-In
Item Package Quantity	1
Switch Type	Push Button/Touch Dimming
Plug profile	Wall Mount
Batteries included?	No
Batteries Required?	No

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