The MP-1693 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. The appearance of MP-1693 is the same as that of MP-1690, but MP-1693 has a blinking function. 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.