IP68 Waterproof Solar Charge Controller 1,Stree light solar controller 2,1 ... . Such as low pressure sodium lamp (with ballast can produce high-frequency ... variety of voltage-mode, 12V - 60V automatic identification, overshoot, over-discharge, reverse polarity ... 10 using a digital LED display and settings, one-button operation to complete all settings, easy to use and intuitive IP68 Waterproof Solar ...