Description Description: brand new and high quality Feature: This module outputs the frequency accuracy of the 10MHz signal. Made of high-quality material, durable, firm and has a long service life. Easy and simple to install and operate. To replace the old, broken or damaged one with this Crystal Oscillator Frequency Reference Board. Specifications: Item Type: Crystal Oscillator Frequency Reference Board Material: metal+plastic Size: 75x65x35mm/2.9x2.5x1.3in Color: As shown Output:10MHz Interface: SMA;for DC 5.5/2.1 Power: 12V 1.5A Quantity: 1 PC Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Crystal Oscillator Frequency Reference Board (other accessories demo in the picture are not included )