One clock, two alarms. The large display makes the Sonic Boom SBD375ss Dual Alarm Clock easy to see for couples who need to wake up at different times. It's a convenient solution to having to set different alarm times repeatedly. The Sonic Boom SBD375ss Dual Alarm Clock from Sonic Alert was designed to be a cost-effective clock solution that's ideal for deep sleepers, Deaf or hard of hearing users, seniors or students. Features: Two alarm settings Adjustable tone and volume Hi/Lo dimmer control Snooze Battery backup (9V battery not included) Powerful 12V bed shaker included 1.8" bright green LED large display Sound and vibration notification only Extra loud pulsating audio alarm Dimensions: 9" W x 2" D x 5" H Warranty One year warranty Brand Sonic Alert Product Type Alarm Clock Alarms Vibration, Sound Alarm Clock Style Desktop Lamp Plugin No Built-In Transmitter No Dimensions 9" W x 2" D x 5" H Battery Backup Yes