●[Plug & Play]: RJ45 direct connection with controller, auto detect the device on mobile APP via bluetooth (Only available with ECO-WORTHY 40A/60A mppt solar charge controller) ●[82ft Monitoring Range]: Bluetooth 5.0 tech for 82ft long distance monitoring and control for solar charge controller, stable connection even through walls ●[Real-time data monitoring]: Real-time monitoring of solar panel, battery, load status and other data of power generation & consumption data, data memory (daily average, monthly average) and setting memory ●[Remote operation]: Remote control of the load, which can be realized through the APP, as well as 4 configurable modes, including manual, light control, time control, and time & light control. ●[Easy Parameter Programming]: Page on APP for battery charging and protection values setting, easy controller parameter changing without pressing the button