Our company established since 2013. For the past 5 years, we are becoming more and more professional manufacturer of power sequence controller. We have 4 channels, 8 channels and 12 channels. We have normal type, networking type and WIFI control type. You only need to use mobile phone, android or iphone to control the items. We use very good quality Omron relay and simple but stable product structure. If you need any more information, please contact us