We need about 3 business days to prepare it for you and will send it to you by FedEx, UPS or DHL service. It will take about 6 days for you to get it. *Model:WF30 Display Mode:CIELAB、CIELCH Color Difference Formula:△E*ab Illumination Condition:CIE Recommendation：8/d Light Source:LED blue excitation Sensor:Photodiode array Measurement Caliber φ4mm/φ8mm/φ16mm Alternative Measurement Condition:Observer;CIE 10° Standard observer Light source: D50 D65 F11(TL84) Contain light way:SCI SCE Measurement Range:L: 0 to 100 Repeated Accuracy:△E<0.05 (take the deviation average after 30 times measuring the whiteboard) Table Difference:△E<0.2 Measurement Interval:0.5 Sec. Storage Capacity:Type sample data : 100 with testing sample data: 200 Language Patterns:English/Simplified Chinese Battery Charging Time:8 hrs Battery:Li-ion battery, 5000 times Measurement Lifetime of Bulb 5 years more than 1.6 million measurements Display Screen:TFT true color 2.8inch@(16:9) Resolution ratio:400x240 Interface of External:USB2.0 (USB-B型)- data communication with 《color analysis system》software RS-232 (115200bps)- connected with micro printer Working Temperature Range:0℃-40℃（32℉-104℉） Storage Temperature Range:-20℃-50℃（-4℉-122℉） Humidity Range:Relative humidity less than 85%,without condensation Weight:700g
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