This lot of 25 TurningPoint ResponseCard RF units are a great addition to any classroom or business environment. With their reliable performance and user-friendly design, these response cards are perfect for interactive presentations and quizzes. Each unit is made by Turning Technologies, a trusted brand in the presentation equipment industry. The ResponseCard RF model allows users to answer questions and participate in polls wirelessly, making it easy and convenient to engage with the presenter. These units are in good working condition and will come with batteries included. Don't miss out on the opportunity to enhance your presentations with these high-quality response cards.