Victron SmartSolar MPPT 150/45 45A solar charge controller for solar panels up to 650W (12V) / 1300W (24V) / 1950W (36V) / 2600W (48V) and up to 150V. With inbuilt Bluetooth.- Buy
Smartsun UV WRISTBANDS: Amazon.de: Beauty
A wrist band with UV indicator | Wristband, Fitbit alta, Fitbit