Makita Drill Train Horn with Wireless Remote (up to 160ft operating distance) Control and Black Trumpets. The Makita Drill Train Horn is a handcrafted portable device that operates on battery power. It is designed to create a loud sound suitable for signaling and fun activities. This air horn is ideal for use in outdoor activities, such as camping, hiking, and sporting events. You can easily operate it with a single hand due to its simple design. Get your Makita Drill Train Horn today and enjoy a loud and exciting experience in your activities!