Unimax Alpha Gold is a versatile device that can be used to amplify the alert tones of pagers, cell phones, and other alerting devices. It features ten different alert tone types, adjustable volume levels, and a range of alert time settings. The Unimax Alpha Gold can be powered by standard AA alkaline batteries, the optional rechargeable battery pack, or the included wall transformer. It also has a built-in visual alert that will continue to flash until the reset button is pressed.