T8 Microwave Motion Detective LED Tube is an upgraded LED tubular product designated to save energy in huge installation area such as indoor car parks. The driver is mounted with a microwave emitting device, which when vehicles or human being is passed by, will be triggered to light on. A standard 1.2m microwave sensor tube work at 18W full power when being triggered, while after 45 seconds (max 3 mins through customization), it will work at a sleeping power of 3W (1-10W customizable) to save energy. The sensing angle covers 120° and an effective distance of 10m, which means that if the tube is mounted 3m above ground, the sensing radius will be 8m. If the mounting height is as high as 4.5m, the sensing radius will be 5m. It is particular safe and reliable, and could be use both outdoor or indoor with appropriate lighting fixture. The product is certified by TUV and SGS with CE, RoHS and ERP, and so as CB.