The Dartsmate Chalkie Plus from KEYGLORY is an electronic dart scorer with many possibilities. Calculate your average. Keep the score of course. With training facility. Possibility of error recovery. Read back the last 40 scores. Works on mains. Very user-friendly. Supplied complete with mounting material. An absolute top device for a great price. The big brother of the Dartsmate Chalkie. This Chalkie plus also displays the sets on the screen. Stylish design. The dimensions of this device are: 12 cm x 23 cm x 2 cm. This electronic device has a 1 year warranty after purchase.