International certificate: CE, CCC Volume: 4L Rated voltage: DC 12V Cooling temperature: 0-5癈 (lowest temperture, environment temperature:20-25癈) Heating temperature: 60-65癈 (highest temperture) Product dimension (L*W*H): 335?77?89mm Interior dimension (W*H*H): 209?41?28 Color case dimension (L*W*H): 358?10?00mm Exterior packing dimension (W*H*D): 432?78?30mm(4PCS) Netweight: 8.4 kgs Gross weight: 11kgs(4PCS) Container volum: 29 feet: 1428pcs 40 feet flat container: 3128pcs 40 feet high container: 3556pcs (The data is for refernce only, the container volum will change according to customer demands.)