Pressure sensitive countingPressure can be adjustedAudible confirmationChoice of light or dark backgroundBright white energy saving LED lightingAverage count facilityWith BioCote® antimicrobial protectionConnectivity to printer or computerScope of supply: Device with two Wolffhuegel graticules and dish centering adapters to facilitate use with 50 to 90 mm dishes.Please order magnifiers and printers separately.SpecificationDigital display:3 digit LEDLighting:White LEDMagnifier glass:1.7x and 3x (option)Counter:0 to 999Petri dishes:diam. 50 to 90 mmDimensions (W x D x H):310 x 300 x 140 mmWeight:1.5 kgPower supply:120-230 V, 50/60 Hz, 70 WWarranty:3 years