Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Mastech MS6900 is a material moisture， temperature， humidity all-in-one multi functions meter. The meter is ideal for measuring moisture of wood and concrete buildings.Features:Moisture Measurement from 0% to 90%Ambient Temperature and Relative Humidity MeasurementData Hold and Display Back LightMaximun and minimun values inquiry functionLCD Display， moisture bar displayUnits switchAuto power off after 10 minutes without no key pressedSturdy construction，easy to carrySpecifications:Batteries: 2 * 1.5V AAA(not included)Product Size: 130 * 55 * 29mmProduct Weight:140gElectric Conductivity (Resistance Sensor) Range: 0.0~60.0%;Temperature (Temperature Sensor) Range: -10.0~50.0°C (14.0~122.0°F)Sampling Rate: water 0.5 S/time， temperature and humidity: 1.5 SUnits:Material Moisture: %Environment Humidity: %，WB，TDEnvironment Temperature: C， FMaterials Moisture Range:Material 1: Beech， Spruce， Larch， Birch， Cherry， Walnut 8.5~60.0%Material 2: Oak， Cedar， Maple， Ash Tree， Citigroup， Tamarisk 6.8~53.4%Material 3: Smoothing Cement， Concrete 0.9~24.5%Material 4: Anhydrite Screed 0.0~12.2%Material 5: Cement Mortar 0.7~9.2%Material 6: Lime Mortar， Plaster 0.5~11.1%Material 7: Brick 0.0~17.8%Resolution:Material Moisture:0.1%Temperature : 0.1C，0.1FHumidity: 0.1%Accuracy (perform under temperature of 25C):Conductivity: ±2%Temperature: ±2C(-10C~+50C)Humidity: ±5%(10...90%)Package Size: 15.5 * 7.5 * 5.5cm / 6 * 3 * 2.1inPackage Weight: 196g/6.9ozPackage List:1 * Mastech MS6900 Professional Mini Digital Moisture Meter1 * Caryring Bag1 * User Manual