Geemarc Wake 'n' Shake Curve

USB port to recharge mobiles and other electronic devicesExtra loud (90 dB) alarm Duration of alarm: 1 hour, unless manually stopped 4 alarm options: Audible alarm with flashing LED light and vibrating shaker Audible alarm with vibrating shaker Vibrating shaker with flashing strobe Vibrating shaker only Large LED Screen 4.3 x 2 inches with Red digits on back background for high contrast Extra-large fonts 0.9 x 2 inches Adjustable tone control to suit your hearing LED screen with adjustable dimmer switch: (HI/MED/LOW) LED visual alarm indicator 12 or 24 hour clock display options