Ancient Lifesigns Detector and Arm Mount

Palm-sized Ancient computer capable of detecting a wide variety of life form readings, from Human to Wraith. John Sheppard and his team used these devices to hunt down a number of foes.
Technical Description:
Production-made clear rubber shell decorated with etched blue simulated circuitry, etched blue Ancient writing, blue simulated buttons on sides, clear blue decals to left of screen and around control pad, screen is framed in black paint with clear orange resin details and black triangles in the corners with yellow triangle decals on top, shell has a compartment inside to hold a PDA device, back is held on with two screws, inside is a production-made silver and black plastic PDA device that lights up with the push of a button, functionality is not verified, on the screen is a paper grid graphic, measures approx. 5.75in x 4in x 1in. Production-made aluminum plate with five screw holes attached to a black plastic arm cuff lined with black neoprene, passing through slots in the cuff is a nylon webbing arm strap with Velcro and buckle closure, plate measures approx. 5.5in x 3.75in, strap is 14.5in long.