Features Enhanced Safety Features: The indicator light signals when the heater output is active, providing peace of mind and enabling control of additional accessories Easily Replaceable Components: The Pololu board is mounted on a pin header socket, allowing for straightforward disassembly and upgrades for future projects Comprehensive Module Inclusion: This kit features various modules and components that cater to all your 3D printing needs, ensuring versatility and adaptability Durable PCB Construction: Crafted from high-quality PCB material, this kit offers excellent stability and long-lasting durability for consistent performance Perfectly Compatible Accessory Kit: Specifically designed for Reprap printers, this practical accessory kit guarantees reliable operation tailored to your 3D printing projects 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