Check the listing for details. Sonic Alert Sonic Bomb Jr SBJ525SS Vibrating Alarm Clock. Color: Black, Condition: New. Listed at 43.32 USD. The new Sonic Bomb Jr. AKA The Bomb Jr™", from Sonic Alert, has been designed for guys and girls of all ages on a mission and a budget. Stealth black with red controls, night vision display and pulsating alert light, Jr. won't keep you in the dark. Complete with bed shaker and 102 decibel's of extra loud sound. No more late classes or late mornings at work. Features:Powerful 6V bed shakerUSB charging for iPhone and Android (not for tablets)Pulsating flashing alert lightBright red display5 level display dimmerSnooze buttonLoud 102dB alarm with adjustable tone and volume9V battery backup (battery not included) keeps accurate time even though LED display will not showDimensions: 4-1/2" W x 2-1/2" D x 4-1/2" H How the SBJ525SS works: