Roboway 433Mhz AC 85-220V 1CH Wireless Remote Switch Relay Receiver Transmitter Universal Remote Control Switch Module and 1PCS RF Transmitter Remote Controls (1 Relay 1 Remote) Black / FREE

HIGH POWER LOAD : The Relay adopts 40A relay, which can load high-power electrical appliances to ensure long-term stability control.(Note:max load:30A)- STRONG SIGNAL : A dopts RF technology ,it can pass through walls, floors and doors, control receiver from any place within a reliable distance.Max range is up to 328ft with no obstacle.- EASY TO CONTROL : Learning code has high-level security for its low repetitive rate and re-learn mode, it can delete the old code and re-learn a new code,when a remote control get lost,So you could always control of it.- Very convenient to use, simple wiring diagram connection way- WIDE APPLICATION : This remote relay switch used in lamps,electric doors,water pumps, motors, windows,gate,industrial control and security industry and other fields.