The same vacuum many professionals use to prolong the useful life of hearing aids. Operates on 13.5 vDC with transformer. Replaceable filtered syringe assembly for simple maintenance. The syringe has a flow indicator showing the suction at work. Also acts as a warning that the syringe is clogged. The Jodi-Pro has all the features of the Jodi consumer model: Features: Cleans wax from speaker opening Compact, lightweight and quiet Proven effective with all hearing aids Replaceable tips and filtered syringes Eliminates the need for wax springs cerumen guards Plus, the Jodi-Pro also includes: Pump rated for 2000 hours of use Built-in cleaner for tips Includes 2 needle sizes and a replacement syringe Feature Details Brand Jodi-Vac Mfg part # 3128 Warranty One year warranty Color White Weight (lbs) 1.61 Battery operated? No Country of Manufacture United States