No trailing leads, hoses or cables for maximum mobility No belt mounted blower unit required Unique air circulation system creates a smooth continuous flow of air Advanced electronics package within the ESM+ continually monitors all functions and provides a self-diagnostic system check to ensure proper functioning Provides an increased flow rate at 8.1 CFM/230Lpm Fully capsuled blower module with a single 7-way IP67* connector between the sidebars Adjustable flame retardant neck cape Wide vision face-shield manufactured from high impact-resistant polycarbonate with anti-mist and anti-scratch coating Quick release headband Includes corrosion resistant gold-plated battery packs and updated rustproof hardware Redesigned PCB with new electronics board and an altitude sensor which adjusts automatically