Sonic Alert White Travel Shaking Vibrating Alarm Clock SB200 The Sonic Boom SB200ss has been designed as a cost effective travel& bedside alarm clock, with a large easy to read display and bedshaker, It also is equipped with Dual Power & Dual Time features it comes with a 110 volt power supply, will work with220 volt transformers. Clock also has two switches one allowing user toswitch from 50Hz 110 volts to 60Hz 220 volts. This feature keeps propertime with 110 or 220 volts. Another switch allows you to select 12/24hour time. Dual power capability 110 & 220 volts & 12/24 hour time. Complete with a hi/low dimmer switch to sleep better at night. Packaged with our newest most powerful 12-volt bed shaker. Complete with a loud 113db adjustable tone & volume control. Battery backup to maintain the proper time in the event of a power outage. Sonic Boom SB200ss never oversleep - YouTube Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo] Welcome to ShopEmco! We thank you for stopping by, and look forward to servicing you by providing you with the best possible customer care. Shipping on most orders are within 24 hours. We are happy to ship to all International destinations provided the manufacture does not restrict us to do so.We are happy to ship orders to all international destinations. Please note we are not responsible for customs and duty fees. Fees may be collected at delivery by your local carrier depending on the policies of every individual country these fees are determined by your Country and we are unable to provide this information.