he datatraveler locker allows users to create a privacy zone partition tha protects data with 256-bit advanced encryption standard (aes) hardware-based encryption, the strongest available on the market easy: plug and play compliant: designed to hi-speed usb 2.0 specifications practical: capless design means no cap to lose capacities1: 2gb, 4gb, 8gb dimensions: 2.57? x 0.71? x 0.41? (65.4mm x 18.0mm x 10.4mm) operating temperature: 32 f to 140 f (0 c to 60 c) storage temperature: -4 f to 185 f (-20 c 85 c)