Upgrade your home's electrical system with MIRACLEWATT, the ultimate power saving solution. This off-grid, automatic voltage detection device stabilizes your current, protecting and prolonging the life of your appliances. With a current rating of 31-40 A and a power output of 101-150 W, this white colored device with abrasion-resistant properties is a must-have for every home. The MPPT (Maximum Power Point Tracking) charging mode ensures maximum efficiency, and the device is suitable for AC current type and voltage range of 100-199 VAC. This feature-packed device from China is perfect for those who want to save energy without compromising the performance of their appliances. Get your hands on the MIRACLEWATT today and transform the way you consume energy!