This is a HITACHI S-BLADE RM-W248. I've been using it for about 3 years as a travel shaver. Number of blades: 2 Drive system: Reciprocating Power source: Rechargeable/AC Other features: Washable/International voltage/Trimmer blade The set includes the main unit and charger, so you can use it right away. AC adapter model number: KH-48 ☆Operation and charging confirmed☆ ☆Cleaned☆ ☆Shipping included☆