Packing for Factory Direct Sale STC-3028 High Quality Digital Intelligent AC110-220V 12V 24V Microcomputer Temperature Controller, 1pcs individual box or 5pcs in a middle box, 100pcs per carton. Base quotation is blank package. OEM design is acceptable. Delivery Time 1-30days, according to order quantity. We offered specific backage to meet customers requirement. New products on china market theory temperature controller