4-Loop wireless DI/DO module 433MHz Modbus RTU 2km wireless ON-OFF control

Introduction LS-RDIO0404 Modbus RTU is a 1W I/O module, 4 isolated digital inputs, 4 isolated relay outputs, 1 RS485(wireless RS485 customize). wireless control 2km-3km. Use for pump control, water level monitoring. Motor, valve, light ON-OFF control. Transparent I/O System, no programming required Not need internet, no third party cell, no monthly fees You have full control over your own carrier Real time status feedback from the remote site Fast installation and easy setup