As we are a Japanese shop, please take the following precautions when purchasing certain products. [Precautions when using electrical appliances] When using electrical appliances, please note that the voltage is different from that in Japan and may cause malfunctions. The plug type is Japanese type (A or B type), so please check the voltage before using a transformer. Please note that a transformer is different from a conversion adapter. We are not responsible for malfunctions caused by use without a transformer. [Shock-resistant structure/water resistant to 20 ATM] G-SHOCK's core technology pursues toughness A shock-resistant structure protects the module The unique uneven shape prevents direct impact to the glass and buttons. Can be used in a variety of places and situations, from daily water work to water activities such as swimming, surfing, and jet skiing. [Radio clock] By receiving radio waves containing time information, you can display accurate time. *Compatible with standard radio waves from Japan (both 2 standard radio stations), the United States, the United Kingdom, Germany, and China. [Altimeter, compass, barometric pressure/thermometer] Each installed sensor measures altitude, direction, barometric pressure, and temperature. [Other product specifications] Tough solar / World time / Manual memory function / Sunrise/sunset time display / Stopwatch / Timer / 5 time alarms / Indicator display / Power saving function / Fully automatic calendar / 12/24 hour display switch / Operation sound ON/OFF function switching / LED backlight [Set contents] Main unit, box, instruction manual, and warranty are included with the instruction manual.