life-saving hours 中文意思是什麼

life-saving hours 解釋

The light source adopts usa 5w high luminance led, which is energy saving ang highly effcient, whit service life reaching100 thousand hours. the reflector adopts high - tech surface treatment technology whit high reflection efficiency. the lighting distance of lamp can reach more than 250m and it can be shifted to lighting of weak light lasting 10 hours

光源採用美國5w高亮度led ，節能、高效、使用壽命長達10萬小時，反射器採用高科技表面工藝處理，反光效率高，燈具照射距離可達250米以上，還可以調到弱光連續使用10小時。