1. Voltage: ac110-240v dc12v 2. Power:12w 3. Specification:228.5*105*94mm It is used for the storage of insulin, interferon, serum, antibiotics, globulin, albumin and some special medicals. It can keep the temperatur between 2'c~8'c under 32'c in air. It is very convinent for patient to use, it can be used in house and public places. Size:295*205*115mm Gw:2.1kg