This product is either discontinued or we cannot get that from suppliers.
Dimension: 2.6" x 7.9" x 1.6" (6.6 x 20.1 x 4.1 cm), Touchscreen: Yes, Display Size: 1.53" x 2.55" (3.8 x 6.4 cm); 3.0" diag (7.6 cm), Display Resolution: 240 x 400 pixels, Display Type: 3.0" transflective, 65K color TFT, Weight: 12.3 oz (348 g) with battery pack, Battery Type: removable, rechargeable lithium-ion battery pack; AA battery pack (not included), Battery Life: up to 14 hours (up to 18 hours with optional AA battery pack at 2 watts), Waterproof: IPX7, Interface: high speed mini USB and NMEA 0183 compatible, Memory/History: 1.7 GB.