Guard Patrol System – STP-5000V5 solutions is an updating product on the basic of STP-5000V+ for access control system, it is with Pogo Pin Connecter instead of the normal USB port, which makes the device more proof guard and waterproof. With its special waterproof pad and adhesive, the reader can work in the water very well. Furthermore, 60000 of data can be stored before the next download.