This item consists of 1 pair of navigation lights (green and red), which is made of stainless steel, anti-corrosion and durable in using. Its IP68 waterproof design make it perfect for marine navigation light. Each lamp has 8 LED bulbs for red and green light, it can effectively convey signals and draw attention. Features: 1. Made of stainless steel, anti-corrosion and durable in using. 2. 1 pair of navigation lights (green and red). 3. Round shape and waterproof design, perfect for marine navigation light. 4. Predrilled holes, designed for easy horizontal mounting. Specifications: Material: Stainless Steel LED Quantity: 8 LEDs (each lamp) Light Color: Red + Green Input Voltage: 12V IP Rating: IP68 Quantity: 2 pcs Visibility: About 2 mile Bottom Diameter: 6cm / 2.36" Height: 4.4cm / 1.73" Package Weight: 130g Package Included: 1 Pair Navigation Light Bulbs (1 red light and 1 green light) Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Made of stainless steel, anti-corrosion and durable in using 21 pair of navigation lights (green and red) 3Round shape and waterproof design, perfect for marine navigation light 4Predrilled holes, designed for easy horizontal mounting 5can effectively convey signals and draw attention