Product Name: Qlk Oxyhydrogen Ventilation Machine (QLK-800W) Model NO.: QLK800-01 Condition: New Color: White Suitable for: Patient Feature: Easy Cleaning, Antimicrobial Material: Plastic Usage: Consulting Room, Sickroom, Patient Care Daily Production: 1 to 5 PCS/Day Voltage: 110V-220V Rated Power: 250W Weight: 10.35kg Applicable Water Quality: Pure Trademark: NO Transport Package: Cardboard Box and Protective Plastic Specification: Breathing Machine Origin: China Product Description You will find attached the instructions book and the warranty document. All certificates given.