4-MU Model: 
4-Unit Ambient Air Turnout Gear Dryer with Basic Timer Control (No touchscreen control)
Specs: 
Ambient Air Drying; Basic Timer Control; Four Drying Units; 12 Accessory Ports; Heavy-duty Casters; Temporary Suspenders 
 
 
TG-4H Model: 
H 4-Unit Ambient and Heated Air Turnout Gear Dryer with Touchscreen Control
Specs:
Ambient and Heated Air Drying; Touchscreen Control; Four Drying Units; 12 Accessory Ports; Heavy-duty Casters; Temporary Suspenders; Power Requirement: 240 volt, 20 amp (single phase)