Siemens Vita 118 is analog Hearing Aids. It has high power for mild. moderate & severe loss. 
Features of Siemens Vita 118 Pocket Hearing Aid:
 1. Max Power Output 132 dB SPL / Gain 65 dB 
2. High power. high gain Hearing aid 
3. High Power for Mild. Moderate & Severe Loss 
4. Sturdy and good looking housing with attractive finish. 
5. Top-mounted Omni directional electret condenser microphone for reliable operation 
6. 3-position N-H-O Switch Siemens Hearing-aids  
Contains: Hearing Aid. Battery. Ear Tip. User Manual. Warranty Manual.

According to the FDA, it is in your best health interest to obtain a professional medical evaluation before purchasing a hearing aid and you are encouraged to do so before bidding on this item. If you choose to not obtain a medical evaluation before purchasing this item, I am required by law to provide to you and obtain from you a signed written waiver of the medical evaluation, and I am required to provide to you a copy of the User Instruction Brochure for a hearing aid, review the contents of that brochure with you, and afford you time to read the brochure. You must provide to me either a signed statement from a physician or a signed waiver before I will deliver this item to you. Upon your request, I will also provide to you a copy of the User Instructional Brochure for the hearing aid or the name and address of the manufacturer or distributor from whom a User Instructional Brochure for the hearing aid can be obtained. "