• Liquid Crystal Display 
• Two 5 Volt USB outputs 
• Lighting control function, fully programmable  
• Three stage battery charging (bulk, absorption, float), fully programmable
• Load output with low voltage and manual disconnect (programmable)
• Load output protected against over load and short circuit
• Protected against reverse polarity connection of the solar panels and/or battery

BlueSolar PWM DUO-LCD&USB 
All the above-mentioned functions, plus: 

• Charges two separate batteries 
• Programmable charge current ratio 
• External Temperature sensor