Other than the PK-102 and PK-101, Optoma launches the PK-100 pico projector. The PK-100 is basically identical to its sibling PK-101, except it lacks iPod/iPhone connection kit.
Based on DLP Pico projection technology, the PK-100 features 480 x 320 resolution, 1000:1 contrast ratio, LED as light source. It can produce an image size up to 60-inch. The pico projector has built-in Li-ion Rechargeable battery that allows up to 2 hours of use. It provides mini USB connector for charging and composite video input. There is also a 0.5-watt speaker.
The PK100 is priced at$196.99.