General description LED Road Light Flashing Beacon is a versatile warning lamp designed for emergency situations. It features multiple flash modes, making it suitable for various applications such as cars, boats, and trucks. Technical specifications Material: ABS & Semi-rigid Plastic & Magnet Protection: IP66 Dimensions: 10.5 cm diameter x 3.5 cm height Battery: 3 AAA batteries per light (Note: Batteries Not Included) Flash Modes: 9 modes including Rotating, Quad Flash, Alternating Single Flash, Flashing, SOS Rescue (Morse Code), Always On, Always Dim, 4 LED Flashes, High Brightness Installation To replace the battery: Remove the two Phillips screws. Take off the screws and locate the two small tabs on the edges to unlock the clear plastic lid. Pull slightly upwards to remove the back cover. Insert 3 new AAA batteries into the battery slot. Align the back cover with the warning light and secure it by tightening the two screws with a screwdriver. Usage Short press the button to turn on