Feature: 1. EASY TO INSTALL: The nozzle input shaper is mounted on the printhead, making it more robust and closer to the reality of the print path. Sensor for XYZ corresponds exactly to the machine, making it easier to understand. 2. PREMIUM PERFORMANCE: High accuracy data module with built in STM32F042 MCU. zh1.5 USB interface, less jitter and more robust than type C. 3. CAUTIONS: Never leave the for NIS connected while heating the nozzle, make sure to remove it after measurement. for Nozzle Input Shaper does come pre installed for Klipperr. 4. ESSENTIAL TOOL: With its sturdy construction and cutting edge features, the nozzle input shaper is also an indispensable tool for 3D printers. 5. DURABLE MATERIAL: Portable nozzle input shaper is made of premium PCB material, durable, stable performance and long service life. Specification: Item Type: Nozzle Input Shaper Material: PCB Applicable Models: for VORON 2.4 Accessory Nozzle Size: Approx. 25x20mm / 0.98x0.79in . Package List: 1 x Nozzle Input Shaper1 x USB Connection Cable Note: Manual measurement please allow some error.