1. Embedded probe design, the probe is very sharp and can easily penetrate hard wood and solid moisture-containing objects. 2. When the probe is inserted into the object to be measured, the humidity reading can be accurately displayed. 3. High-definition color backlit display with clear readings. 4. Power supply method: 3xAAA batteries (not included) 5. Material humidity measurement range: 0.0-58% (basic accuracy: +/-2%) 6. Ambient temperature measurement range: -20~60 degrees Celsius (basic accuracy: +/-1 degrees Celsius) 7. Relative humidity measurement range: 0.0-99.9%RH (basic accuracy: +/-4%RH) 8. Size: 140x60x33mm 9. Weight: about 150gSpecification: Package Weight One Package Weight 0.23kgs / 0.50lb One Package Size 22.5cm * 11.5cm * 4.5cm / 8.86inch * 4.53inch * 1.77inch Qty per Carton 40 Carton Weight 10.00kgs / 22.05lb Carton Size 47cm * 25cm * 47cm / 18.5inch * 9.84inch * 18.5inch Loading Container 20GP: 482 cartons * 40 pcs = 19280 pcs40HQ: 1120 cartons * 40 pcs = 44800 pcs