Customers can contact TP-Link camera for sales inquiries by visiting the TP-Link official website and navigating to the "Contact Us" section. From there, customers can find the appropriate contact information for sales inquiries, which may include a phone number, email address, or online chat support option. Additionally, customers may also reach out to TP-Link camera through their social media channels or by visiting a local retailer that carries TP-Link camera products. It is recommended to have the product model number and any relevant details on hand when contacting TP-Link camera for sales inquiries to ensure a faster and more efficient response.