Friends of USBy

With USBy you receive an email on your Smartphone:

- When the electricity is cut 
- When the electricity is restored and the total black-out time 


In addition, USBy monitors the ambient temperature


USBy does NOT need either a SIM card or a UPS
An INTERNET line is sufficient


USBy Friends Promotion

Before purchasing USBy, enter your friend's email registered on ControlloCasa and you will both receive 20 telephone alerts in case of power failure

Buy USBy for only € 40.90

Enter your friend's email