http://www.gadgets.co.uk/buy-gadgets/item/EMALARM/TIME/Emergency-Alarm-Clock-with-Siren.html Emergency Alarm Clock with Siren Emergency Alarm Clock with Siren Only: £9.99 In stock This alarm clock should be able to get anyone's attention! At the chosen alarm time, the warning light flashes and a realistic siren sounds. The full-function digital clock displays the time in either AM/PM or 24 hour format, together with the alarm status. It also keeps track of the current date. If desired, a hourly chime can sound to keep you reminded of the passing time. If you don't want to keep the alarm on a table, the three suction cups allow for easy mounting to smooth surfaces such as a window, picture frame, or mirror. If you want, you can set off the siren and light feature with a flip of a switch in addition to the alarm setting. The Emergency Alarm Clock is 11.5cm tall and 8cm diameter at its base. It uses 1 x LR44 and 2 x AA Batteries (included).