The CJ15-16000C01BT02-D006 with SMD2520-4P Crystals ROHS manufactured by Changjing Electronics Technology is a quartz crystal vibration device which is used to measure the frequency and time intervals of electronic circuits. This device is made up of an oscillator, a resonator, an amplifier, and a tuning element. It has a frequency range of 1.3 MHz to 200 MHz and a maximum frequency deviation of ±30 parts per million. The SMD2520-4P Crystals ROHS package is a 4-pin Surface Mount Device (SMD) which is compliant with the Restriction of Hazardous Substances (ROHS) directive, ensuring that hazardous materials are not present in the final product. This vibration device is ideal for use in timing and frequency control applications such as embedded systems, consumer electronics, and automotive electronics.