The MT solar remote indicator II is equipped with a big LCD display and many additional functions. Charging current (A) system voltage (V), charging function, solar capacity as bar chart as well as time and date. With the power counting function (Ah and Wh) it can be counted how much capacity has been transmitted to the battery. A switching output for a free programming is also available. With 5m connecting cable. . (Attention!: ONLY usable with Buettner charge controller)