Tripp Lite"s APSRM4 provides remote monitoring and control of select Tripp Lite Inverters (PV series) and Inverter/Chargers (RV, APS and EMS series) which feature an RJ-style connector. The remote module"s compact housing includes a switch (which controls the operation of the connected Inverter or Inverter/Charger) as well as two sets of intuitive "traffic light" LEDS. LEDs indicate approximate battery charge and load level when used with an Inverter. LEDs indicate appropriate battery charge or charge rate (depending on switch position) and operational status. Alternate LED labelling is provided. The module also includes mounting slots/holes for multiple mounting options (with user-supplied screws) including behind or below a dashboard or compartment. An attractive face plate is included for additional front-panel mounting options for RV, marine or vehicular detailing. A daisy-chain port links the module to an Inverter or Inverter/Charger with an included 50 ft. cord. The port also allows multiple modules (sold separately) to connect together to control a single Inverter or Inverter/Charger. A Master Override Port enables automatic override of the Remote Control Module to shut off the connected Inverter or Inverter/Charger under various safety/operational conditions: * Ignition ON (prevents TV or other distractions while driving) * Ignition OFF (prevents inadvertent battery drain while parked) *Battery Disconnect (ensures safe shutoff when 12V electrical system is disconnected separately) * Water Encroachment (reduces shock hazard in marine applications)