Buy Digital Clapperboard Alarm Clock at the best price. The Digital Clapperboard Alarm Clock looks like a real Hollywood clapperboard. This electronic Clapperboard is in fact a digital alarm clock. When the Digital Clapperboard Alarm Clock goes off, just clap the clapperboard and it will stop. Take one, action! Start a new film every morning. The Digital Clapperboard Alarm Clock is an original gift for moviegoers.