1. LCD with Backlight: LCD display with backlight, clear to read, even under the light. 2. Practical Functions: It supports single point measurement, multi-point average measurement, maximum and minimum measurement, data hold and low battery indicator. 3. 7 Different Kinds of Materials: The instrument has built-in characteristic parameters of 7 different kinds of wood and materials. This measurement can a basis for the need for further drying. 4. Humidity and Temperature: In addition to measuring the moisture content of the material, the humidity and temperature can also be measured so that the dry environment can be evaluated directly on site. 5. Auto Shut Down: Without any operation, the meter will automatically shut down after about 10 minutes to save battery energy. ( It can be cancelled when the starts up. ) Model: HT633 Display: LCD Sensor: Resistance type (conductivity measurement), high precision temperature and humidity sensor Material Humidity Range: 0.0~57.0%, 2.0% Temperature: -20.0~60.0 (-4.0~140), 1.5 Humidity: 0.0~99.9%, 5.0%RH Use Environment: -10~50C / 20~90%RH Storage Environment: -10~60C / 20~90%RH Power: 3 x 1.5V AAA Alkaline battery ( not included ) Material Type : Built in characteristic curves of 7 materials Data Hold: YES MAX / MIN Hold: YES Auto Power Off: YES Low Battery Indication: YES Backlight Function: Red backlight: High moisture content, showing the W Orange backlight: Moderate moisture content, showing the M Green backlight: Low moisture content, showing the D Colour: Black-Red Material: ABS Size: 14.2X5.8X2.6cm / 5.59X2.28X1.02in Package Contents: 1 * Wood Moisture Meter 1 * 2 * Spare Measurement Pins 1 * and English manual Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.