The product is original, made in USA. Used for a few days, it is just like new. The new price is one lakh taka. If anyone wants to take it, I will give it at an affordable price. Brand: Philips, Model Name: Remstar Auto, Country of Origin: USA, Certification: US FDA, CE, Product Features: 1. Auto-dimming LED helps create a darker room for easy sleeping, 2. Compliance meter breathing detection, Auto-Titrating – Pressure levels will automatically change throughout the night to reflect the patient’s needs, 3. Includes the Respironics Performance Tubing, Dimensions: 7 inches L x 5.5 inches W x 4 inches H, Product Weight: 3 pounds.