Check the listing for details. ToAuto DRO 1um Linear Scale Digital Readout 2/3 Axis for Bridgeport Mill Lathe. Condition: New. Listed at 52.26 USD. Supply Voltage range : AC 80V~260V; 50~60Hz Power consumption: 15VA Operating temperature: 0~45 degree centigrade Storage temperature: -30~70 degree centigrade Relative humidity: Less than 90% Readout allowable input signal: TTL square wave Allowable input signal frequebcy: Less than 5M Hz Max resolution of digital display length: 1µm (0.001mm/0.0001") Min resolution of digital display angle :0.0001/pulse Digital Readout Dimensions:295*170*65mm (11.6"*6.7"*2.56") Linear Scale Interface: DB9(RS232) Display Advantage: Having a good capacity of resisting disturbance,durable keyboard,easy to change SDM 200 sets memory, power-off memory for 10years , circumference drilling, oblique line drilling, 1/2 centering PCD function R function Smooth R function The simple R function Chambering (applicabSupply Voltage range : AC 80V~260V; 50~60Hz Power consumption: 15VA Operating temperature: 0~45 degree centigrade Storage temperature: -30~70 degree centigrade Relative humidity: Less than 90% Readout allowable input signal: TTL square wave Allowable input signal frequebcy: Less than 5M Hz Max resolution of digital display length: 1µm (0.001mm/0.0001") Min resolution of digital display angle :0.0001/pulse Digital Readout Dimensions:295*170*65mm (11.6"*6.7"*2.56") Linear Scale Interface: DB9(RS232) Display Advantage: Having a good capacity of resisting disturbance,durable keyboard,easy to change SDM 200 sets memory, power-off memory for 10years , circumference drilling, oblique line drilling, 1/2 centering PCD function R function Smooth R function The simple R function Chambering (applicab