I have two of those. Both run an 2 C batteries. Have been running 6+ years, in extreme temps. (was like 117 today) and they both run great. I think I changed the batteries once.pete_c said:Looking up the Leviton Driveway sensor FCC ID: U5X-RE304A
It is a RE-304 Resolution Products Driveway sensor. It is discontinued Still sold old stock probably. I googled it and found this:
https://www.lowvoltagesupply.com/alula-Resolution-RE304-Driveway-DSC-Compatible-p/re304.htm