[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 :Updated rated :8KW(110V) or 16KW(220V) and 80A, LCD screen is designed to display voltage and working status][On cloudy or windless days when your battery gets low,it will automatically switch to grid to protect your battery,especially for the condition that when battery voltage is lower than cut off point,it will automatically switch back to battery when the battery voltage is higher than recovery point,working like an opposite direction UPS with the updated manual switch function for your convenience.][In applications where there is a stand -alone solar or wind system with an available AC secondary (utility )]One can choose to use the energy stored in the battery first and when the battery is under low voltage, the BAT-80A will automatically transfer the loads to the secondary (utility ).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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.