Lighten the Load Power on. We want the Master Watt Lite Series to be that simple. In the box are all the essentials of a reliable engine so you dont have to think about it. We added higher-end perks like Active PFC & PWM technology for more stability, & made sure we met Er P 2013 & CE ratings for safety & low energy impact. Its the survival kit for reliable, affordable power. Advanced Circuit Design Active PFC + PWM combined with dual forward topology & double EMI filter enhances power output efficiency & increases the performance & stability of your system Silent & Durable Fan Cooler Masters 120mm HDB temperature control fan can operate more smoothly without friction, which makes it quiet & more durable. Green Power Compliant with Er P 2013 Lot 6, which guarantees that your PSU will use less than 0.5W on system standby & lower than 45% transferring efficiency on 5V standby. Safety Guardian Full protection (OCP/OVP/SCP/OPP) with built-in Over Temperature Protection (OTP). Minimizes the risk of damage from power outages.