Description This is a practical warning sign, made of reliable materials, safe and practical, support long time using. Smooth surface, safe to your hands, can be a good choice in your bedroom, office and more places you want, to let others know that you do not want to be disturbed. Features -Color:Assorted Color -Material:Wood, plastic -Size:22.50X4.50X8.20cm/8.84X1.77X3.22in -Note:3 x AAA batteries(not included) - Grab the attention of anyone in the room or studio while letting others know you're busy at work and prevent them from interrupting you. - Light in weight, proper in size, easy to be placed, also can be used stored conveniently. - Recording light will look great as a light decoration for studio. Place in on a shelf, desk, or mount on a wall or door. - Made from reliable material, this sign is safe and durable, will not easy to deform or break, support for long time to use. - Supple light color, safe to your eyes, and will not have irritation, you can have comfortable using feeling. Grab the attention of anyone in the room or studio while letting others know you're busy at work and prevent them from interrupting you. Light in weight, proper in size, easy to be placed, also can be used stored conveniently. Recording light will look great as a light decoration for studio. Place in on a shelf, desk, or mount on a wall or door. Made from reliable material, this sign is safe and durable, will not easy to deform or break, support for long time to use. Supple light color, safe to your eyes, and will not have irritation, you can have comfortable using feeling.