Low-Pressure Continuous Suction Device, Adjustable Suction Pressure, Quiet Operation, Suction for Phlegm and Nasal Mucus Product Description ※This product is not a medical device※ This is a handmade low-pressure continuous suction device. We aimed for quiet operation and, after trial and error, arrived at the current design. ・Quiet design, unlike any suction device before ・Wide range of adjustable suction pressure We tested various parts and manufactured this using the ones with the best sound, performance, and ease of use. This suction machine uses low-pressure continuous suction and a special motor, allowing you to apply pressure comparable to a suction machine via dial adjustment. Fine adjustments are possible, making it suitable for a wide range of users. Since this is handmade, we can accommodate requests such as the desired length of the tubing when you place your order. The basic lengths are: 50 cm wiring from USB to pump 50 cm hose from pump to bottle 150 cm hose from bottle to suction catheter We will manufacture based on the basic lengths if no specific instructions are given. Specifications: Rated Voltage: DC 12V Rated Current: 130mA Maximum Suction Pressure: 55kPa (single-head pump) Power Supply: USB power supply, 1.5A or higher recommended Warranty Period: 1 month from the date of purchase (excluding failures due to improper handling) We also sell replacement parts in case of failure, so you can rest assured about after-sales support. Contents: Suction machine body, bottle, USB voltage regulator, instruction manual As this is made by an individual, we cannot mass-produce it like a manufacturer. However, we hope that it will bring joy to everyone. We will be listing products little by little while experimenting with prototypes, so thank you for your support. ◆Please note that the packaging will be simple, using recycled cardboard boxes and air cushions. ◆Although this is not a medical device, it is used directly on the human body. Please read the instruction manual carefully before use. ◆Specifications are updated regularly to provide better products. Therefore, some parts may differ from the photos. ◆We will manufacture the product after purchase, so please allow some time for shipping. Thank you for your understanding.