☀️Parameters: Pressure:4cmH2O-20cmH2O ±0.5cmH2O Step with 0.5cmH2O. Ramp:0-60 Minutes. ☀️Humidifier: 0 level Off. 1 level 45°C. 2 level 50°C. 3 level 55°C. 4 level 60°C. 5 level 65°C. System Time:24 hours. ☀️Back Light: 30seconds, 60seconds, 90seconds, 120seconds, 150seconds, 240seconds,: 330seconds, 420seconds, 510seconds, 600seconds. ☀️Electrical Specifications: Power Adapter: Input 100-240V,50-60Hz,1.7A; Output :+24V,2.5A. Type of protection Against Electric shock: Class II Equipment. Degree of protection Against Electric shock: Type BF Applied Part. Degree of protection Against Ingress of Water:IPX1. ☀️Physical Specifications: Dimension:255mm*170mm*112mm. Weight:2.0kg. Water Capacity:MAX 200ml. ☀️Package included: Host ×1. Water chamber ×1. Power adapter ×1. Filter ×2. Tubing ×1. Mask ×1. Instructions ×1. Traveling bag ×1.