Dear Sir/Madam, Type:Anesthesia Equipments & Accessories Instrument classification:Class II Dimension:230*215*130mm Display Screen:8'HD-LCD Touch screen Power Supply:90-240v 5060Hz Print function:built-in thermal matrix recorder(printer) Battery Supply:FP1223C 12V 2.3Av/20Hz(switch charging with the exterior power supply) Weight:2kg Charge Time:4 hours Show More