ITEM NAME:Wireless Remote Control Switch 433Mhz 2CH AC250V 110V 220V Relay Receiver Module.Toggle Mode 1 Pc x Receiver Module. RF working mode: superheterodyne. Decoding mode: MCU software decoding. Support remote type: Learning code ï ¼Ë†1527ï ¼â€°. Input Power:AC 85V-250V. Switch Output : normally open & normally closed.