This is a set of 2 pcs of energy efficient and attractive Blue LED underwater light with stainless steel housing. It is easily installed on the surface and does not require a through hull installation. Material: Stainless Steel 316. Housing Color: Polished Stainless Steel. LED Quantity: 39. LED Color: Blue. Working Voltage: 10-30 VDC. Wattage: 5.2W. Beam Angle: 120. LED Life Time: 50000 hrs. Effective Lumen 95LM. IP Rating 68. Dimension: 4 3/4" x 1 5/8" x 3/4". Instruction is included. It comes with 2 pcs. Item Number: P00302BUx2 *Customers please note every computer shows colors differently. All measurements are approximate.