Electron Pro Controller Mainboard
 
Used with both Electron V2 & +3 Pro systems.
 
For V2 pro systems and all +3 Pro systems up until control unit serial number ECPU+3-25-219 all use the the mainboard with Part number: B07500003P.
 
For +3 Pro systems with the serial number ECPU+3-25-219 and newer all use the mainboard with part number:B07500005P