The clock features a Jumbo 3.8 inch LED display and has a loud bell alarm with snooze function. It\'s also mains operated with battery back-up, so you can rest assured that your alarm will go off in the morning, even in a power cut! Requires 2 x AAA (Included) The15342 Talos Jumbo LED Alarm Clock with USB Smart Connector allows you to use your existing USB charger to create a multi-purpose power hub, allowing you to charge your phone, tablet or other USB device. Simply plug the supplied USB lead into the clock and the other end into your phone/smart device charger. You can now use the second USB socket to charge or power your Smart device, tablet or e-reader. The clock features a Jumbo 3.8 inch LED display and has a loud bell alarm with snooze function. It\'s also mains operated with battery back-up, so you can rest assured that your alarm will go off in the morning, even in a power cut! Requires 2 x AAA (Included)