FCC SDOC Attestation Letter

FCC ID 2A422EASYREFPRO

Handheld Auto Refractometer

Shenzhen CERTAINN Technology Co., Ltd.

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

Document ID #7635003

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=7635003
• https://fccid.io/2A422EASYREFPRO/Attestation-Statements/FCC-SDOC-Attestation-Letter-7635003
• https://fccid.io/2A422EASYREFPRO/Attestation-Statements/FCC-SDOC-Attestation-Letter-7635003.pdf

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