Beijing Roborock Technology Co., Ltd Declaration Letter We Beijing Roborock Technology Co., Ltd. hereby declare that the product WIFI module/F89ETSM13-W2 is capable of operating with channel 12 and 13 in regions other than the US and Canada. Versions of the product available for import and sale in the US and Canada, or any units marked with the FCC ID or IC certification number, will not operation on channels 12 and 13. It will not be possible for users and configure these channels in the US and Canada version. Installation of this product must comply with local regulations and codes. During deployment of the system and its initial setup, professional installer must ensure that the allowed EIRP limit is not exceeded (in the Country of exploitation of this equipment). Date: May 15, 2017
------------------------------------------
Name / Title Ruby Hu / Project Certification Manager Company: Beijing Roborock Technology Co., Ltd. Tel: +86 010 53241660 Email: huqianqian@roborock.com