The LProg is a low cost light weight PIC programmer for the 3.3V PICs only. These include the 24H, 33F, and 18FJ families. No signals to program these parts exceed 3.3V, which allows for a ultra low cost yet capable programmer. The LProg can not damage the target PIC by accidentally exposing it to 5V or higher as programmers designed to support other PICs can.
The LProg is completely powered by the USB, and can provide up to 100mA Vdd current to the target.