Specification:

Brand	Hesunse
Nmae	Y-B24 2N1 220V 4 Ch RF Digital Wireless Remote Control Light Switch 2 Remote Control Receiver
Input Voltage	AC 220V 50 / 60 HZ
Current Rate	10A
Battery Type	23A 12V
Size	Shown as picture
Remote distance	Within 30 meters ( open area withou obstructions under disturbed environment)

Features:
1. Pass CE.
2. Suitable for incandescent and energy-saving lights.        
3. Fast response and long control distance.
4. Stable performance and strong to resist interference， not obstructed by walls!

Package included:
2 X Remote Controls
2 X Batteries
1 X Receiver

More details: