Bluetooth functionality, allowing the user to operate the system via their smartphone. PM300-BT remote LCD control features battery and charging information (Volts, AMPs, SOC, time remaining), up to 4 water tank level inputs with pump control, a load switch, night mode and silent mode for quiet operation. 14 channel fused output and WAGO terminals, plus a host of protection features and sensors ensure easy, safe operation and monitoring of your electricals.