Product Description Features 1. The device has a sensitivity adjustment function that only counts the specific size particles, avoids interference such as impurities and makes the particles more accurate. 2. You can view the data stored in the computer: date, time, particle count, duration and weight. Specifications Counting range:1~99999. Execution time: ≥5 hours. Number range: small sample: 0.7-4mm*0.7*12mm; large sample: 3-10*3-12mm Count Accuracy: large sample 2/1000; small sample: 4/1000 Counting speed: =1000 sheets/3 minutes. (This is in 2, if you want speed you can change to 3-7) Size:19.6*25.4*15cm/7.7*10*5.9in Weight:5.8kg Package List 1 x Seed Counter 1 x Large Plate 1 x Small Plate