So you are looking for a high voltage alarm clock to wake you up on time in the morning? This Plasma Strobe Alarm Clock from Can You Imagine has you covered. It has a lightning effect and sound to wake you up. It has 4 modes, including a demo mode.
The sound effect is not loud but can be annoying enough to get you off the bed. These clocks are rare but you may be able to find it on eBay.