A adjustable plant shadeprotection apparatus for shielding a plant from certain weather conditions such as sunlight and strong storms. The housing has a generally cylindrical wall, a generally cylindrical microphone insertion cavity defined by the cylindrical wall, a supporting base formed at a lower portion of the cylindrical wall, and a plurality of ribs formed at an upper portion of the cylindrical wall. The gene described herein possibly codes for a novel interleukin receptor that binds an as yet unidentified cytokine ligand, and may be useful in cancer diagnostics and therapies that rely on immune system modulation. The circuit further includes an output circuit connected to the first output terminal and the second output terminal and configured to output a further amplified clock signal based on the first amplified clock signal and the second amplified clock signal.