ShenzhenTopMax Electronics Co. Ltd is a professional manufacturer and exporter of RF wireless communication products including wireless calling system, DIY home alarm system, smart home automation system and wireless accessories etc.In past 10 years, Topmax wireless calling system has been widely used in various fields, such as Bars, Cafes and Restaurants, Hospitals and Clinics, Hotels and Resorts, Banks, Casinos, etc. With rich experience in wireless communication technology, we are able to customize diversified paging system, waiter call system, guest paging system, wireless transmitter etc. as clients requested.Meanwhile, a series of home security alarm products are offered ranging from DIY alarm, smart home automation, PIR motion sensor, smoke detector, gas detector etc. multi-accessories.These paging system can work with some alarm sensors together, and serve in multi applications. Diversified product range could meet various demands with a large scale sales network throughout over 40 countries in European, America, Asia and other regions.First-class quality and best service are always offered. We sincerely welcome different cooperation chance such as ODM/OEM as a loyal partner.