Fangrui Product Details This 30a High Power Relay Module Offers Reliable Wireless Control Over Your Home Or Office Equipment Including Fans, Lights, Pumps, And More. Equipped With A 433mhz Frequency, This Module Ensures Robust Signal Penetration Through Walls And Doors With A Substantial Control Distance Up To 1000 Meters. For Electrical Setups Requiring Safe And Long-distance Operation. High Power Capacity: Operates With 30a For High Power Applications Up To 250v. Ensures Safe Operation Even With High Wattage Devices. Wide Control Range: Up To 1000 Meters In Open Space, Giving You Extensive Control Across Your Property Or Workplace. Multiple Control Options: Features Three Diy Modes For Customization - Momentary, Toggle, And Latched. Versatile Application: For Home, Farm, Office, And Industrial Use. Compatibility:for Flexible Usage Scenarios. Easy Configuration For Immediate Use Right Out Of . For Setting Up Control Modes To Suit Your Preferences For All Connected Devices. Working Voltage:ac85v-250v Working Fr