Product Paramenters Dimensions: 170mm x 180mm x 118mm 290mm x 180mm x 134mm Weight : 1.5kg 2.5kg (with the humidifier) Water Capacity: 350ml at recommendadwater level Ramp the ramp time ranges from 0 to 60 mintes Humidifier Setting off, 1 to 5 (90 �°F to 167 �°F/35 �°C to 75 �°C ï¼? Output No less than 10 mg H20/L Sp02 Range: 0 to 100% Pulse Rate 40 to 240 BPM AC power Consumption 100 -240 VAC, 50/60 Hz Max 2 A