Viper 787 Electronic Dartboard, Ultra Thin Spider For Increased Scoring Area, Free Floating Segments, Locking Segment Holes For Fewer Bounceouts, Automatic Scoring Designed with a regulation sized 15.5" target face; Tournament quality thermal resin segments provide an exceptionally durable playing surface Ultra-thin spider greatly reduces bounce outs, allowing for closer dart groupings to maximize scoring; Built-in storage holds 2 sets of darts and extra dart points Features 43 games with 241 options and accommodates up-to 16 players; A large missed dart catch ring offers protection for your wall from errant throws Bright LCD display delivers a crisp, clear view of scoring and statistics, eliminating manual scorekeeping; Stylish color scheme showcases red, blue, white and black Includes 6 soft tip starter darts and mounting hardware; Requires 4 AA batteries or the use of an external power supply adapter to operate (sold separately) Kindly refer the Error code for built-in Self Diagnostic Function of the e-BOARD Computer.