HDL-MPD01-RF.18 wireless 1CH dimmer, has 4CH dry contact, can control targets by switch. This module should work in conjunction with wireless gateway. 

Input voltage : 85-265VAC，50/60Hz 
Output current (MAX) : 1.5A 
Output current (LED) : 1A 
Internal power consumption : 0.7W max 
Wireless transmission power : +10dbm 
Wireless sensitivity : -90dbm 
Indoor communication distance : <=30m 
RSSI received signal strength indication : >-80dbm 
Dimensions : 44x36x20.2 (mm) 
Net weight : 38g

For detailed listing, click here