Automatic control Timer switch, which can automatically turn on or off various electrical equipment according to the set fixed time, and control the indoor and outdoor lighting time. Timing range The setting time of the staircase light timer switch can be 0.5, 5, 10, 15 and 20 minutes, with a minimum setting time of 0.5 minutes to meet the control needs of different populations. Precision control Strong resistance to electromagnetic interference, low power loss, timer switch kept open for a certain period of time; When the lighting time ends, the switch will automatically turn off. Widely used Suitable for balcony, corridor, stair lights in office buildings, hotels and other occasions; And in situations such as courtyards and outdoor advertising light boxes that require time control. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.