Overall
* Builds on SiRF Star II chipset with embedded ARM7TDMI CPU.
* Built-in antenna. (SiRF Star II)
* 12 parallel channels.
* IPX7 level waterproof.
* Size: 120 * 54 * 30 mm; Weight: 170 gram.
* Low power consumption with 2 AA batteries.
* Map Datum: more than 100, total is 115 datum.
* 160 x 105 pixel, high contrast LCD, EL backlighting.
* Support RS-232 interface and long distance modem data transform.

Storage Ability:
* 1000 waypoints with name and symbol.
* 30 reversible routes with up to 50 waypoints each.
* 10 tracks with name and symbol.