Clapper Board is ideal for movies or video production tools and is used in the video and sound to help you to sync. For a specific occasion to view or record to be used in production. Clapper Board to give a sharp sound is in the audio tracks for easy identification of contents. The audio track and is also a separate video in your truck, for easy identification. The clapsticks in closed areas Three (2) depending on the truck has sound and movement to provide precise and sync). Clapper Board (kurappa-bo-do, kurappubo-dosure-to, identified with film slate) is perfect for your next occasion to combination chalkboard and aligning the clapsticks use for your sound and video to retain information. This clapper board is made of white acrylic and designed to be used with the Create. Video, film, and even dual system for DSLR camera such as, especially those with sync sound production for a convenient, cost-effective production tool. Standard size comes with a colorful the clapsticks, writing surface is 9.85 in x 11.8 in/25 x 30 cm.