Model No.: GPS-A3501 Size:120*75*15.7MM Model No.: GPS-A3502 Size: 120*75*16.7MM private case,only open to vip customers CPU ARM9 266MHZ ATMEL AT91SAM9261 FLASH(NAND) 64M SDRAM 64MB Display 3.5″screen, Transflective TFT Color LCD,26K Colors H320RGB*V240pixels, 250cd/m,C/R=300 LED BackLight Touch Screen Supported USB USB Client2.0,Full speed,Mini Slot,with power supply function UART 3.3V TTL UART for GPS Module SD SD/Multimedia Card Slot Buttons □ Power □ 2-Volume Up/Down □ 2-Last/Next □ OK □ □ Hold/Esc □ GPS □ Hidden Re switch GPS Receiver Module and Antenna Built Out GPS: ATMEL ANTARIS-4 Cold start:﹤46sec Hot Start:﹤1 sec (open sky) Warm Start:﹤20 sec Battery 1100mAH/3.7V Li rechargeable battery,charging current:Pending Charging 5V DC Power Jack AC Adapter 110/240V universal AC/DC adapter car charging adapter Temperature □ Operating :0℃ to 60℃ □ Storage -20℃ to 60℃ Real-time O/S 5.0 Navigation Software Third Party supported Language Chinsese,English System ting BackLight/DateTime/Volume/Power/Language/SysInfo Updating Software operation system upgrade the map in authorized website. work power consumption Pending