7W LED Underwater Lamp 1,Luminous Efficiency 100LM/W 2,Lumens 900LM 3,Color Temp 2700K-7000K 4,Beam angle 90/160 degree 7W LED Underwater Lamp 1,Luminous Efficiency 100LM/W 2,Lumens 900LM 3,Color Temp 2700K-7000K 4,Beam angle 90/160 degree Underwater Lamp