Gently used; works great. Eliminate toxic landfill waste and save bucks at the same time. This is the Gen 3 model. Input = 118V @ 60Hz (6W); Output = DC 2V @ 200mA x 4. Flip-up cover; folding AC prongs for slimmer profile in storage. Unobtrusive smoke color. Note: 1. Be sure to charge only in (matched) pairs. 2. Be sure that you don’t attempt to charge single-use batteries, or… 💥🔥 3. Batteries = not included. • From a pet-, smoke-, allergen- & pathogen-free location. • Carefully packed and shipped to you from 06473 within 72 hours via priority service. • As a courtesy measure, item has been disinfected for safety and peace of mind. • While we do hope to offer them in the near future, please note that returns cannot be honored at this particular time.