EPsolar Solar Charge Controller MPPT Control 10A/20A/30A/40A with 12V/24V DC Input (Accessory-MT50) Remote meter MT50 is fit for mppt solar charge controller , Our factory direct supply in sotck , support technical assistance . Automatic identify the controller, and display relevant parameter data ,Real-time alarm of failure information. Longer communication distance based on RS485 Large-screen informative LCD displays all the operating data and system working status. Simple and convenient operation Diversified load control modes : Manual Control, Light ON/OFF, Light ON+ Timer, Time Control . Battery type selection: Gel, sealed, flooded and User(programable) Programmable parameters . Energy statistics display function . fit for EPsolar EPEVER controller , Not Fit for RENOGY & HQST