This product is either discontinued or we cannot get that from suppliers.
Dimension: 2.4" x 6.3" x 1.4" (6.1 x 16.0 x 3.6 cm), Display Size: 1.43" x 2.15" (3.6 x 5.5 cm); 2.6" Diag (6.6 cm), Display Resolution: 160 x 240 Pixels, Display Type: Transflective, 65-K Color TFT, Weight: 9.2 Oz (260.1 g) With Batteries, Battery Type: Optional NIMH Pack Or 2 Standard AA (Not Included), Battery Life: Up To 20 Hours (Astro 430), Waterproof: IPX7, Memory/History: 4 GB.
With faster 2.5-second location updates and the capacity to follow up to 20 dogs, Astro 430 is a handheld powerhouse of dog-tracking performance.