The K60 Series of single-gas detectors provides maintenance-free operation: just turn on the device and it runs continuously - no need for sensor and battery replacement or battery charging in . That means great reliability and no downtime. Compact, lightweight and easy to use - with 4-button operation and no extensive training. As one of the largest hi-tech company, Nanjing KELISAIKE Safety Equipment Co., Ltd. Is specialized in dealing with the development and research of safety products, including gas detectors, gas analyzers, air breathing apparatus etc. Develop the new technolies and products by using the independent intellectual property patents and special technology. At present, the company main products covers K60 series gas detection alarm KL99 series of positive pressure air breathing apparatus KF series on-line gas analysis system and environmental protection online monitoring system