The MP-1693A Laser Pointer is your ultimate partner for State-of-the-Art presentations. Produced with advanced optoelectronics, designed fine, checked strictly, can give you years of reliable service. The MP-1900 Laser Pointer is ideal for use in presentations where various equipment is used, such as slide projectors, TV projectors, LCD panels, film projectors and so on. MP-1693A has a function of blinking fast and slowly. (See the introduction of MP-1800/ MP-1803/MP1803A) The head, the tail and the clip of this product can be covered with gold; you can also choose chrome. Other colors are for your choice for large orders.