https://www.uhaul.com/Tips/Storage/What-Security-Features-Are-Available-AT-U-Haul-Self-Storage-Facilities-18096/ https://www.uhaul.com/Tips/Storage/What-Securit

https://www.uhaul.com/Tips/Storage/What-Security-Features-Are-Available-AT-U-Haul-Self-Storage-Facilities-18096/ https://www.uhaul.com/Tips/Storage/What-Security-Features-Ar... I can speak for U-Haul specifically because I have used them and a customer can see the sensors in their unit. The sensors are deactivated when a customer checks in.