The Peterson V25921 Incandescent Stop/Turn/Tail Light is popular for RV use. This surface-mount rear combination tail light uses an incandescent bulb and integral reflex.• One diode• Integral reflex• Incandescent bulb technology• Stop / turn / tail light• Rectangular with rounded corners• Not submersible• 12 volts• DOT compliant• Surface-mount• Light/Lens Color: Red• Dimensions: 8-9/16"W x 4-5/8"H DOT compliant Not submersible Measures 8-9/16""W x 4-5/8""H | Peterson Manufacturing Peterson V25921 Incandescent Stop/Turn/Tail Light, Rectangle w/ Rounded Corners