Features Indicator light for safer heater output control and expandable for other accessories Easily replaceable Pololu board on pin header socket for future customization Includes multiple modules and components to meet various needs High-quality PCB material for stability and durability Practical accessory kit tailored for Reprap printers, ensuring reliability Features: 1、The indicator light indicates when the heater output is turned on, which is safer and can be expanded to control other accessories. 2、For Pololu board is on the pin header socket, can be easily replaced or disassembled for future designed and use. 3、Including multiple types of modules or components , which can completely meet your needs. 4、Made of PCB material, which has good stability and durability. 5、Practical accessory kit completely fit for Reprap printer, reliable to use. Specification: Condition: 100% Item Type: 3D Printer Kit Material: PCB Color: As picture shown Fitment: Fit for Reprap Package List: 1 Set of for RAMPS 1.4 Board (16pcs) 1 x Module 1 x 12864 Smart Display Controller 8 x Connecting Wires 6 x Limit Switches 5 x A4988 Chip Board 5 x Heat Sink 1 x Module Note: betweendiv>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.between/div> Package List 1 Set of for RAMPS 1.4 Board (16pcs) 1 x Module 1 x 12864 Smart Display Controller 8 x Connecting Wires 6 x Limit Switches 5 x A4988 Chip Board 5 x Heat Sink 1 x Module