Functional characteristics 1> Portable design, compact structure, and powerful functionality, suitable for any location in medical institutions. 2> 12.1-inch TFTLCD with the latest industrial design appearance 3> Built in long-lasting DC rechargeable battery, with a maximum power supply time of up to 2 hours, it can also ensure safe use in case of sudden power outage. 4> Soft power switch, designed to avoid not shutting down, can also charge the machine in a shutdown state, with battery level indicator.