Features: 1. Automatic temperature control, Avoid overheat 2. Disposable water injection, everlasting use 3. Voltage: 220V,450W, 50Hz 4. According to the various surroundings temperature, the use of time are also diverse Specification: Condition:100% Brand New Size: As the image shown Color: Random Color Quantity:1PC Package Includes: 1PCx hand warmer(without water) 1PCx Power cable 1PCx Funnel 1PCx Stopper Notice: Please enable 1-3cm error due to instruction manual length and ensure you don't intellect before ordering. Please needless to say colours may exist chromatic aberration as the diversified placement of pictures.