Queuing Counter Display (Special Deal)

A digital customer turn display unit that is ideal for use in busy shops or offices in need of displaying next customer's turn. Each time the hand-held switch is pressed, the display will count up to show the next turn and a 'Ding Dong' sound will be produced twice to notify the customers. The circuit includes a reset switch and an automatic count up switch. Supply voltage: 9V DC @ 300mA. Recommended power supply: Kit CK341V12 / UK341V12.