Bring the convenience of automatic scoring to steel tip darts with the Viper ProScore electronic dart scorer. Input your scores at the end of each turn and the ProScore will take care of all of the calculations for you. This scoreboard comes programmed with 40 games and over 600 so you have plenty of different games to try out. It comes with popular settings such as single, double, and master in/out settings for games of 01. It also lets you program in handicap settings so you can play with anyone, no matter the skill. The ProScore supports up to 8 player multiplayer so everyone can join in on the fun. If youre looking to get in some solo practice, it also comes with the to play against a computer opponent. The innovative mounting system allows you to easily remove and reattach the Proscore to its mounting bracket, enabling maximum portability and easy access to change batteries. The ProScore is powered by three AA batteries or an AC adapter. Features Automatic Scoring - Bring the convenience of automatic scoring to steel tip darts. The ProScore handles all of the math so you dont have to. 40 Games, Over 600 - Play all of your favorite games like Cricket and 01 however you want. 8 Player Multiplayer - Supports up to 8 players at a time so family. Friends can all join in on the fun, or play solo against the computer. Highly Visible - Large backlit screen with a bright red light makes it so you can easily. Innovative Mounting System - Easy-slide mounting system allows for handheld use and quick battery change. Specifications Color: White. Weight: 0.83 lbs.