About UKOKE headquartered in california usa UKOKE technology supplies quality convenient products to our customers which help families to finish their daily tasks in more efficient ways. Simple customer focused and technological are the three key concepts of UKOKE. UKOKE s purpose is to serve its customers adapt the convenience of the internet to solve problems for its customers in order to make their lives easier and simpler. UKOKE UTM01W Timer Outlet is made for professional & home use. As long as your electric devices need to be turn on/off periodically the UKOKE utm01w timer outlet can help! It is prefect for home lighting fan heater and other electrical appliances hydroponics greenhouse growing lighting watering ventilation/temperature control system garden/farm lighting watering system and so on. With the built-in battery you can operate and set the timer when off from your wall socket. It can save up to 10 times on/off settings. Before operation please plug the unit into an outlet