Introducing the original HandyTalker Teacher AAC school communication card. This low-tech AAC (Augmentative and Alternative Communication) card is perfect for school communication and does NOT require any batteries. You simply point to what you want or need! - Made of fiber-reinforced plastic - Dimensions: 3 inches wide x 5.5 inches tall - Includes a black safety lanyard - Waterproof You don't need to worry about taking it to the beach, pool, or using it in the rain! This communication card is a LOW-TECH solution that does not require batteries and does not produce sound. It is designed for simple communication—just point to express your needs. This specific device is an excellent tool to facilitate communication in a school setting.