This product is either discontinued or we cannot get that from suppliers.
Dimension: 2.5" x 6.4" x 1.4" (6.2 x 16.3 x 3.5 cm), Display Size: 1.5"W x 2.5"H (3.8 x 6.3 cm); 3" Diag (7.6 cm), Display Resolution: 240 x 400 Pixels, Display Type: Transflective Color TFT, Weight: 8.1 Oz (230 g) With Batteries, Battery Type: Rechargeable, Internal Lithium-ion, Battery Life: Up To 35 Hours At 10-minute Tracking; Up To 200 Hours At 30-minute Tracking (Power Save Mode), Waterproof: IPX7, MIL-STD-810: Yes (Thermal, Shock, Water), Interface: High Speed Micro Usb And Nmea 0183 Compatible, Memory/History: 16 GB (User Space Varies Based On Included Mapping).