Electronic HP Care Pack Return to Depot for Travelers - Extended service agreement - parts and labor - 4 years - on-site - 9x5 - response time: NBD - for ProBook 635, 640 G2, 640 G5, 640 G8, 64X G4, 650 G1, 650 G2, 650 G4, 650 G5, 650 G8. This easy-to-use HP Care Pack solution offers quality return-to-HP service with remote telephone support and off-site repair at an HP-designated repair center.