【 specification 】 the product specification: 280 mmled diameter light source: single 24 w light bead chip: Taiwan wafer light color: can be customized red. Yellow. Blue. Green. White. Warm white. Colorful lamps and lanterns of power: 24 w control mode: monochrome internal control working voltage: DC12V AC12V DC24V AC24V protection grade: IP67 applicable occasions: construction. Bridge. Square. Lighting lighting material: die-casting aluminum internal use black soft potting glue, waterproof is wonderful, constant current drive power supply installation note 】 【 1, before installation to cut off the total power supply, prevent leakage. 2. After the installation position is selected, put the lamp at the installation position and fix it with screws. When connecting the thread head, please make waterproof treatment at the joint. 3, the control system is designed by the engineer when used under normal working conditions and working in a typical color changing effect after use, can achieve the optimization of the LED life, beyond the scope or terms or in these condition and the upper limit of working for a long time, can make the LED to further reduce the service life, in extreme cases, internal light source component failure will happen. 4. When installing the lamp, please handle it gently to avoid damage to the lamp.