The MM-250 MicroMax Plus from Carson Optical will turn your iPhone 4 or iPhone 4S into a high powered Digital Microscope! It is a powerful 60x-100x power magnification pocket microscope with an included iPhone 4/iPhone 4S Adapter Case. Taking close up images and video is easy using the iPhone 4/4S. Set up is easy. Simply attach the adapter case and MicroMax LED Pocket Microscope to your iPhone 4/iPhone 4S. Open the camera setting in your iPhone 4/iPhone 4S and start viewing. The built-in LED light provides a bright, clear image. You can zoom in using the focus knob on the LED MicroMax or digitally using the zoom function on your iiPhone 4/iPhone 4S. It is great for viewing circuits, foliage and flowers, fabrics, coins and so much more. At Carson, we strive to make sure our customers are 100% satisfied with the quality of our products. We are so confident in our products that we back them with a Limited Lifetime Warranty! Carson will repair or replace your Carson item if it is found to have manufacturing defects in materials or workmanship. Please contact Carson for additional warranty details.