Feature●Light Color: Red; Product Name: Industrial Signal Lamp●Material: Plastic, Metal; Size: 10 x 18cm/ 4" x 7" (D*H)●Net Weight: 331g; Package Content: 1 x Industrial Signal Lamp●Shell Color: Red, Gray; Voltage: DC 24V●Power: 10WDescription Red light has Indicator with sound.Direct mount, Highly efficient, dustproof, waterproof.Notice: No instructions attached, please make sure you know the install and connection methods before you buy it.