Safe and Durable: Our LED bulbs use high quality stainless steel and brass plated nickel shell material, sturdy and very durable to use, ensure maximum strength and durability for long time usage. Economical and Practical: Anti-shock, corrosion and vibration resistant, safe, durable, economical and practical. Popular lamp in automotive aftermarket, warmly welcomed by most customers. Compatibility: Can be used to modulate the lights of cars and boats.It can also be used for model cars, remote control cars. Features: 1.Super bright and brilliant light, plays an important role in warning and indication. 2.Suitable for cars, vans, boats and other universal vehicles. 3. Excellent LED chips, environmentally friendly and energy-saving. 4.Durable in use, best replacement for old and broken indicator lamps. Specifications: Shell material: stainless steel+nickel plated brass Light Color: Red/Orange/Blue/Green/White Voltage: AC/DC 12-24V(Red is positive and black is negative) Mounting Diameter: