[The new APP is compatible with Tuya APP intelligent control, saving energy and saving electricity][Smart Monitor on Electrical Values with Surge Protection][Auto Distinguish with Adjustable Set-points and AC Test][Bigger Power:Updated rated power:8KW(110V) or 16KW(220V) and 80A, LCD screen is designed to display voltage and working status][On cloudy or windless when your battery gets low,it will automatically switch to grid power to your battery,especially for the condition that when battery voltage is lower than cut off point,it will automatically switch back to battery power when the battery voltage is higher than point,working like an opposite direction UPS with the updated manual switch function for your .][In applications where there is a stand -alone solar or wind system with an available AC secondary power(utility power)]One can to use the energy stored in the battery first and when the battery is under low voltage, the -80A will automatically the loads to the secondary power(utility power).Colour:As ShownMaterial:plasticPackage Contents:1 x Tuya Smart ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.