W-2: This is your most important form. Youâll need one from each employer you worked for over the past year. A W-2 shows the amount of money you earned, the amount withheld for income taxes and Social Security and Medicare taxes, and any contributions you made to a retirement plan, medical accounts, or child care reimbursement plan.
IR wireless (infrared wireless) IR wireless is the use of wireless technology in devices or systems that convey data through infrared (IR) radiation. Infrared is electromagnetic energy at a wavelength or wavelengths somewhat longer than those of red light. The shortest-wavelength IR borders visiblered in the electromagnetic radiation spectrum;the longest-wavelength IR borders radio waves.
Passive Infrared Sensor or PIR and PIR Camera for Security. Passive Infrared Sensor or PIR is the technology and its usage is in PIR Camera for Security which is used for cost saving and low carry cost with effectiveness. In this article we will discuss first about Passive Infrared Sensor or PIR on the first half and PIR Camera for Security on the second half.