Here is the user manual

https://drive.google.com/file/d/0BynDF0GJkxrOZXdEbVFUUVpQOG8/view?usp=sharing

Description:
Tempered glass touch panel and fire retardant PC substrate, looks elegant. Scratch-resistant, damp proof, fire retardant. Easy to use and install. Environmental-friendly and energy saving. Replace traditional wall switch completely and smoothly. Suitable for home, office, hotel, hospital and so on. 1 way 2 gang means there are two touch buttons on the touch switch. They can control 2 lights. 1 way 3 gang means there are 3 touch buttons on the touch switch. They can control 3 lights.

Specifications:
Condition: New
Item Type: Touch screen light switch
Panel Material: Toughened glass panel
Switch Type: Touch On / Off Switch
Voltage: 110~240V / 50-60Hz(Max.)
Function: Touch screen control switch
Operating Frequency: 433MHz
Standby Function: <0.02W
Load Power: 3-300W / per channel
Connection: Single firewire
Color Options: White, Black
Size: Approx. 86mm * 86mm * 34mm / 3.39" * 3.39" * 1.34"
Quantity: 1 PC
Switch Version Options: 1/2 /3 /4Gang