Elcan CR2032 Battery Cap FDE. The TT735P includes Tangent Thetas legendary elevation and windage turrets that deliver precise tactile response and feature a truly TOOL-LESS RE-ZERO procedure and lockable diopters. Tangent Theta rifle telescopes are built in Canada and are specifically designed and function-tested for long lifecycles in the harshest of environmental conditions. Specifications for Elcan CR2032 Battery Cap: Manufacturer: Elcan Color: FDE Package Contents: Elcan CR2032 Battery Cap Elcan SDR-BC-T265: CR2032 Battery Cap FDE