Description: Capacitive Touch Button: B6 nano adopts touch button, sturdy and durable, quick-responsive and easy operative Powerful and High Speed Micro Controller: ARM ® Cortex ®-M4F 32 bits high speed processor, data process capability improves 20 times. Using industry leading 2.5V-5.5V wide range input voltage, has strong anti-interference ability Smart & Efficient Cooling System: Temperature controlled 16000rpm high speed sleeve bearing cooling fan effectively blows the air through the extruded aluminum heat sink, effectively cooling the device No more scrolling through complex menu, what you see is what you need. Large black screen, active visual size is 50*37.5mm, all information at a glance SCAN TO GO: The innovative Bluetooth Smart technology makes controlling your charger a breeze with your smartphones. The App can be downloaded from Store and Google Play! Specification: Input Voltage: DC9-32V Max Charge Power: 320W Max Discharge Power: 5W Charge Current Range: 0.1-15.0A Discharge Current Range: 0.1-3.0A LiPo/LiFe/Lilon/LiHV Cells: 1-6S NiMH/NiCd: 1-15S Pb Battery Voltage: 2-20V Size Chart: Size: approx. 76 x 85 x 37mm/2.99 x 3.46 x 1.46inch Package Includes: 1 Piece SKYRC B6 Nano Charger