Remote LCD meter RM-1 for monitoring Morningstar SunSaver Duo, SunSaver MPPT controllers and SureSine inverters; provides panel current, battery volts, amp‑hours, alarms and a back‑lit display.

• Compatible with: SunSaver Duo controllers, SunSaver MPPT controllers, SureSine inverters
• Connector type: RJ-11 (6‑pin); cable length: 10 m (33 ft) — may be extended to 30 m (98 ft)
• Self-consumption: 6 mA (backlight off) / 15 mA (backlight on); minimum operating voltage: 8 V
• Operating temperature: −20 °C to +60 °C (−4 °F to +140 °F); humidity: 100% non‑condensing
• Dimensions (without mounting frame): 9.5 x 9.5 cm (3.7 x 3.7 in); back-side cut-out: 7.4 cm diameter (2.9 in)
• Dimensions (with mounting frame): 11.4 x 11.4 x 3.5 cm (4.5 x 4.5 x 1.4 in); weight: 135 g (4.8 oz)
• Mounting: surface mount using supplied holes or remove frame for flush mounting; 10 m cable plugs into controller/inverter RJ-11 socket
• Includes: Instruction manual for RM-1 Morningstar remote meter; Remote meter RM-1 map; covered by a 5‑year warranty

Available functions vary with the connected controller/inverter — see the RM-1 manual in the Documents tab for full details and installation guidance.