What's in the box:

SONOFF D1 Wifi Smart Dimmer Switch DIY Smart Home Mini Switch Module Adjust Light Brightness APP/Voice/RM433 RF Remote Control Compatible With Amazon Alexa & Google Home/Nest IFTTT (Standard)

Features:
*APP Remote Control: Dim light for peace of restful sleep. Develop night-time fears at bedtime? Just stop your bedroom light on the right light level on eWeLink APP.
*RF 433Mhz Remote Control: Even easier dimming at hand, turn the light down casually with the RF 433Mhz remote controller at the thrilling movie night, or on/off the light, enjoy an immersing moment.
*4-level Brightness Change As Your Mood: Adjustable in 4 lighting levels on the RF 433Mhz remote controller, customizable in the highest and lowest brightness level on the eWeLink APP. Get all your needs covered.
*Set the Brightness for the Preset Time: Create the specific scedule and brightness level on smart scene mode for any occasions throughout the day.
*Sunrise & Sunset Mode: Keep track of the sun rise and set time of your location, so you can create a scene that activates at a fixed time, when the sun rises or when the sun sets.
*Adjust Party Ambience with Your Voice: Turn up/down the brightness level light with your voice command for a great atmosphere via Amazon Alexa & Google Home.
*Applicable Lights: Support to dim incandescent light bulbs and dimmable LED light.

Specifications:
Model: D1
Product type: Smart Dimmer Switch
Max current: 1A
Input: 100-240V AC 50/60HZ
Output: 100-240V AC 50/60HZ
Incandescent bulb: 200W
Dimmable LED: 150W
RF Band: 433.92MHz
WI-FI: IEEE 802.11 b/g/n 2.4GHZ
Enclosure Material: PC V0
Item Size: 86 * 86 * 15.8mm
Package Size: Approach. 11*11*5cm/4.3*4.3*2in
Package Weight: Approach. 180g/6.3oz

Package List:
1 * SONOFF D1 Wifi Smart Dimmer Switch