Qingdao Windaka Technology Co Ltd (青岛文达通科技股份有限公司) is the world's leading manufacturer of biometrics and builder of intercom products such as fingerprint locks, palm vein access controls, coffers, time attendance, access control, intercom systems, and smart homes. 

Within the rapidly growing biometrics and smart home application market, Windaka occupies a leading position in fields like biometric identification technology, palm vein access control, fingerprint locks, fingerprint access control, fingerprint time attendance systems, etc. 

As an ISO certified enterprise, the company constantly improves product and service quality for customers. All products are invented and produced independently. 

The company has its own research and development technology center and production base. The S-Home system integrates biometric identification technology, WIFI&3G wireless transmission technology and applications, and audio and video processing technology, including eight different systems such as the household wiring system, family network system, intelligent household control system, household lighting control system, family security systems, background music system, home theater and multimedia system, family environment control system, etc., which can achieve functions fingerprint reading, palm vein recognition, visible interphone, video monitoring, light, curtain, home appliance control, multimedia background music, temperature and humidity monitoring, emergency help, water, electricity, heat, gas, etc., four meters data collection, energy efficiency analysis, time-sharing power supply, automatically adjusting the temperature, etc. 

The company has developed more than ten kinds of products around this system, fcreating the biological recognition entrance guard system, intelligent household system, and three types of interphone systems. The products are widely used in residential districts and government departments.