Model Number: Outdoor UPS-1-1-1 Brand Name: KSTAR Key Specifications/Special Features: Tailored for telecom base station in harsh outdoor environmentFully digitized microprocessor controlAutomatic battery temperature compensation in outdoor low temperature conditionSmart cooling design to avoid overheatAnti damp-dust-electrostatic processed PCB to ensure reliability High frequency double conversion online technology with input isolation transformer to ensure full power protectionWide input voltage rangeSelf-testing when UPS starts upLightning and surge protectionShort-circuit and overload protectionAuto fan speed control for different loadsBoth front door and back door with ease installation and maintenanceDry contact communication