■Manual external chest compression with alarm compression depth is approx 5cm • indicator light displays and error alarm if wrong compression ■Artificial mouth to mouth respiration(inhalation): • inflation volume between 150ml~200ml is correct, indicator light displays. • inflation volume<150ml~200ml< is wrong, indicator light displays, error alert as well • if inflation is too quick or too much, causing the air enter the stomach. indicator light displays and error alerts ■Press and artificial respiration proportion:30:2/ single, 15:2/ double ■Operation cycle: 30:2 (single) or 15:2 CPR (double) , complete five CPR operation. ■Operating frequency: the newest international standards: at least 100 times/min. ■Operation mode: training mode ■Inspection of brachial artery response: squeeze the air ball manually to simulate branchial artery pulse ■Working status: adopting 220V power supply, or adopting direct current power of four 1# batteries, adapt to the outdoor training without power supply. |