Features: 1. Automatic temperature control, Avoid overheat 2. Disposable water injection, everlasting use 3. Voltage: 220V,450W, 50Hz 4. According to the different surroundings temperature, the use of time are also diverse Specification: Condition:100% Brand New Size: As the image proven Color: Random Color Quantity:1PC Package Includes: 1PCx hand warmer(without water) 1PCx Power cable 1PCx Funnel 1PCx Stopper Notice: Please allow 1-3cm error because of handbook size and make sure you do not mind earlier than ordering. Please take under consideration that colors may exist chromatic aberration as the assorted placement of pictures.