The laser pointer is a great gift for the lecturer to use during presentations or as a fascinating novelty item. It is small enough to slip into your pocket, yet powerful enough to project a red dot over 1500 feet. 5 Different heads gives you an awesome selection of shapes and designs to "Laser Point" Have lots of fun with these high-intensity laser pointers. Great for driving the cat or dog crazy, messing with your friends, or just pointing out something off in the distance. Great for teachers, students, realtors, pet trainers, sport coaches, partys and many more uses. Just remember not to shine it in anyone"s eyes. Five interchangeable heads and 3 LR44 1.5V batteries included.