Discover the ease of smart lock installation with our [H5] design service by Eqxiu.com. Our template-rich platform allows for quick and efficient creation of informative content. This particular [H5] piece, titled 'Smart Password Fingerprint Lock Basic Operation Steps', highlights the importance of selecting the correct lock type and measuring door dimensions. It provides a step-by-step guide for users, ensuring they choose the right lock for their needs. Follow these steps: 1. Determine if your door opens to the left or right. 2. Check for the presence of a天地沟. 3. Measure the door thickness and side dimensions. Send us a message with your measurements: 1. Door opening direction (left or right)? 2. Is there a 天地沟? 3. Door thickness? 4. Side length and width? 5. Send a photo for final confirmation. We appreciate your cooperation and will provide a suitable solution based on the information you provide. Contact us at telephone number 15516995678 or email 649206632@qq.com. Located at Zhengzhou Fengle Hardware and Electrical Machinery Market, booth 19-1-2.