
49
7. After-sale service
Letter to Customers
Since our aim is to continuously improve our products for better user experience, we may modify
the product characteristics, composition and design of circuits without given notifications. Thus the
real product may be not in accordance with this manual. Generally, we will provide timely amendments
to this manual. If it’s not provided timely, please consult our service department.
Shenzhen Clou IOT Technologies Co., Ltd.
Tel of Sales Dept: 0755-36901039
Tel of Customer Service Dept: 0755-36901039
Email: [email protected]
Guarantee card of Shenzhen Electrical Technology Co.,Ltd
Product Name
Model No.