Mounted in a CRC powder coated cabinet. Fitted with counting plate with illuminated standard wolf hugel ruling for differentiating defined colonies. Each touch of marking pen increments the colony count by 1, With 4 digit display for maximum colony count of upto 9999. Provided with a manual reset button, counting plate, 100mm dia magnifying lens, ON/OFF switch with cord and plug. To work on 220V/230 volts, 50Hz AC supply.