Models View all Orange Pi 4 Case 9 87 0 Orange Pi 4 PCB 9 251 2 40x80 Industrial profile 5 227 0 Inductive proximity sensor CHE-4NA-A710 or LJ12A3-4-Z/BX 9 569 0 svb 0 5 0 SK40 DIN69871-A vs BT40 14 405 0