備有掛牆/及天花式類型可供選擇
電源故障的情況下.供應緊急照明
提供緊急的室內環境例如倉庫，飯店，超市，廠房等的後備電源

.Wall-mounting / Ceiling types available
.Provide Lighting in case of failure of mains
.Ideal for indoor environments(warehouses, restaurants,supermarkets,workshops,etc.)