Queclink Wireless Solutions Co.,Ltd Agent Authorization Company: Queclink Wireless Solutions Co.,Ltd Address: 3 Floor, Building 2, No.717 Yishan Road, Xuhui District, shanghai 200233, China Product Name: Temperature and Humidity Sensor Model Number(s): WTH300 Product Description: Temperature and Humidity Sensor We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: \Vei jaa Date: 2020/01/06 Name: Wei Peng Title: Manager Company: Queclink Wireless Solutions Co.,Ltd