The blades are optional. Please leave messages to us if you need other combinations blades. Why use our Video Laryngoscope? ·Make air-way intubation more rapid, accurate, reduce damage, and can cope with difficult airway effectively. ·More thorough, convenient for operation. Easy to record the case for sharing and teaching purpose. ·Safer, reliable and suitable air-way management for neonate, difficult airway patient etc. ·Allow doctors to better respond to emergency intubation patients and adapt to all rescue environment. ·New generation product, multi-functional, convenient, durable, and good quality with affordable price. Medical Grade Alloy with high flexure strength. Upper connector design for more stable use. Optional disposable version to avoid cross infection 4. Passing waterproof grade IPX7 testing Cost Effective Rechargeable lithium battery 3-in-1 system integration High-cost-performance blade. USB Charger1 -USB cable1 -User Manual1 -Probe’s connector cover.