Features: 1. Automatic temperature control, Avoid overheat 2. Disposable water injection, permanent use 3. Voltage: 220V,450W, 50Hz 4. According to different environment temperature, the use of time are also various 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 allow 1-3cm error due to instruction manual size and make sure you don't mind earlier than ordering. Please remember that colours may possibly exist chromatic aberration since the diversified placement of pictures.