Gen-4 Multi-Color Flow Control
These are 8mm and larger, flow-controlled multi-color. They can be placed anywhere that the wires can be accessed, and are powered by your 5-volt controller. The titanium screws shed light from the side holes as well as the top.
Gen-3 Single Color
3-Volt single color. These 6mm or 8mm titanium screws shed light from the side holes as well as the top. Includes the required resistor.
Gen-2 Multicolor Auto-Cycling
These Grade-5 Marine Stainless 6mm or 8mm screws can be placed anywhere that the wires can be accessed, and are powered by your 3-volt controller. Includes the required resistor.
Gen-1 Single Color
These Grade-5 Marine Stainless 6mm or 8mm screws can be placed anywhere that the wires can be accessed, and are 3-Volts. Includes the required resistors.