This is just like the Counterstrike, plant bomb on your side of the bed, wakes you up with the explosion sound. Bomb normally defuse before explode but this is defuse after explode. To stop the bomb sound, you need pull just one code from the three and that one code is set randomly every morning. It is powered by three AA batteries and it measures 170x120x40mm. This danger bomb clock is available for $38.33.