Excalibur Touchscreen Backgammon Handheld Electronic Game Excalibur 477ET Touchscreen Backgammon Handheld Game General Features: Lightweight design / 3-inch Touchscreen LCD / Handheld electronic backgammon game Auto-save conserves your batteries and your game / No pieces to lose / Turn sound effects on or off / Reset button (on back of unit) Includes stylus pen / Unit Dimensions: 4 x 4 x 1-inches (H x W x D, approximate) Runs on two (2) AAA batteries (not included)