Authority Letter

FCC ID 2A422EASYREFPRO

Handheld Auto Refractometer

Shenzhen CERTAINN Technology Co., Ltd.

1. FCC ID
2. Shenzhen CERTAINN Technology Co., Ltd.
3. 2A422EASYREFPRO
4. Authority Letter

Document ID #7635002

This document is available from the following links. Linking directly to FCC.gov may result in an error.

• https://apps.fcc.gov/eas/GetApplicationAttachment.html?id=7635002
• https://fccid.io/2A422EASYREFPRO/Letter/Authority-Letter-7635002
• https://fccid.io/2A422EASYREFPRO/Letter/Authority-Letter-7635002.pdf

Sending you directly to the document available from FCC.gov...