VK-015 model with built in battery and AC adapter. It can work either from AC adapter or from the battery (Fully charged battery provides 4-5 hours of normal operation).
Includes main display unit, RF remote control and AC adapter. Main display indicates the game being played, the small display keeps the number of the won games. In MANUAL mode a score counts from 00-00 to 99-99, the remote control "A" and "B" push buttons increment the score. In AUTO mode the won games score changes automatically. In 11 point mode one game point will be given to the player who has reached 11 points score first, with two points margin, large display will be reset.
In 21 point mode one game point will be given to the player who has reached 21 points score first, with two points margin. AUTO mode provides servicing sequence indication. In 11 point game after each 2 points have been scored the receiving player becomes the serving player and so on. Until the end of the game, unless both players score 10 points, when the sequence of serving and receiving is the same but each player but each player serves for only 1 point in turn.
In 21 point game after each 5 points have been scored the receiving player becomes the serving player and so on. Until the end of the game, unless both players score 20 points, when the sequence of serving and receiving is the same but each player but each player serves for only 1 point in turn. Change over switch on the top of display unit is intended to provide correspondence of player side and score on display. Dimensions - 12" (30cm) x 4 1/4" (11cm) x 1 (2cm).
Actual digit height - 2.3 (5.6cm).