Exciting Infrared Target Kit flashes a red diamond every time it gets hit by an infrared beam. Unlike other targets, this target works with all infrared guns currently available. Super sensitive target is perfect for practice or tag games. Features sensitive sensor, transistor, and IC circuitry with sensitivity control. Works in daylight or darkness. Use it with the Infrared Transmitter Kit above if you do not already own an infrared gun. Size of board: 4" x 2". Operates from one 9V battery (not included). Complete with all parts, PC board and instructions. Skill Level 2.