dstfuy Wireless Remote Switch 12V,Controller with Feedback Function,1500M Long Distance,DC 12V/24V/48V/72V /40A Relay RF Switch for Water Pump,Motor,Lighting Electrical Equipment.

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Controller Feedback Function:Adopt Bi-Directional wireless RF technology.You can observe feedback by the color of the remote control indicator light and the beep sound,which can tell you if switch is on or off. HIGH POWER LOAD:The Relay Switch adopts 40A relay, which can load high-power electrical appliances to ensure long-term stability control. STRONG SIGNAL:Adopts RF technology ,it can pass through walls, floors and doors, control receiver from any place within a reliable distance.Max range is up to 4900FT 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.There is a switch key on the relay.If the remote control get lost.You also can always control of it.（Note:When in using, a plastic slider on the side of the remote need to be moved into a particular position.) HIGH SENSITIVITY- Sensitivity -118dbm,Stable and reliable performance,high receive sensitivity and anti-jamming capability.RF working frequency:315MHz（NOTE:Please don't put it in a metal waterproof box, otherwise there will be no signal.） WIDE APPLICATION:This long distance remote switch is used in mud pumps, bilge pump, motors, lamps,fans, insecticide machines, sprayers, car washers, etc. various types of electrical equipment.