Portable, small size, light weight, with green working indicator USB TYPE-C interface 5V 1A power supply, mobile phone charger and power bank can be power supply. 10MHz frequency source from OCXO with very high accuracy Frequency accuracy :10.000000MHz 0.1PPM (ta=235) Voltage reference accuracy: :5.0000V 0.05%(ta=235) Application areas: As references for sound systems, decoders, shortwave stations, frequency meters, signal sources etc. As an external reference for an instrument device or a reference source that replaces the inside frequency source of an audio device As a 5.0000V 51/2 voltage reference and a 10.000000MHz frequency reference source Electrical parameters Working voltage and current: USB TYPE-C 5V 1A (start current 550mA, stable 160mA) LED indicator: Green Crystal type: OCXO 10MHz Frequency reference Warm-up time:Greater than10min Output load:15pF Rise/Fall time:Less than 6ns Input interface: SMA Outer spiral inner hole interface Voltage reference warm-up time: 30min Colour:As Shown Material:plastic Package Contents: 1 x OCXO 10MHz Frequency Reference Module(Due to different product batches, the appearance , which does not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.