Features：                                       1. Check Weighing Scales with Three color change for HI/LO/OK, HI-red, OK-green, LO-orange(optional) 2. Resolution up to 1/15,000(standard) or 1/30,000(standard) or 1/60,000(optional)                        3. Single point and linear calibration available 4. Hold function in peak, stable, or key operation       5. Lower/upper limit weighing alarming function 6. Zero range setting and filter setting for counting under various condition 7. Accumulation, Accumulation Display and Accumulation clear functions 8. RS-232/RTC/Relay/Bluetooth/U-KEY connector/U-disk Module/Wifi/Ethernet(optional) 9. Ideal for applications in production, packaging, warehouse, inventory, shipping and receiving areas   Specifications： Model JWN-3K JWN-6K JWN-15K JWN-30K Capacity(kg) 3 6 15 30 Division(kg) 0.2/0.1 0.5/0.2/0.1 1/0.5/0.2 2/1/0.5 Display Height 30mm Weighing units kg, g, t, lb, lb.oz, pcs,斤（台斤，港斤，市斤） Weighing pan(mm) 294 x 228(Stainless Steel, and1.0mmin thickness) Power supply DC 9V,0.4A/ rechargeable battery (6 V/ 4 AH) Video: