The DW-100-G WattStopper Dual Tech Wall Switch Sensor is a reliable motion detector designed for commercial and industrial settings. With its 120/277VAC and 50/60Hz capabilities, this sensor is suitable for various power configurations. Manufactured by WattStopper in China, this model offers dual-tech sensing for added security and accuracy. Easy to install and operate, the DW-100-G is a high-quality solution for monitoring and controlling access to restricted areas in a building.