Battery Life: 24 hours with AA batteries - not included
Display (mapping): 1.5" x 2.2" (160 x 240 pixels)
Weight: 6.5 oz
DC-40 Dog Collar: This rugged, all-weather collar has an integrated GPS transmitter and antenna that works with the Astro to ensure that your dog will never be lost again. Plus, it’s specially weighted so the antenna will always point to the sky for optimal signal.