NavePoint's 4 fan shelf cooling unit is EIA/ECA 310-E Compliant and fits standard 19-inch Rack or Cabinet applications. It is the perfect solution for optimal airflow utilization. Operates at a quiet noise level (from 43dB-A to 47dB-A) making it perfect for the server room or within your office space. Made of high quality cold rolled steel with an electro-static powder coated finish. No assembly required. Additional Details Additional Features Lighted ON/OFF rocker switch 110V 50/60Hz input voltage NEMA 5-15P input plug type 6ft cord length Made of High Quality Materials Cold rolled steel Electro-static powder coating What's in the Box? 1 Rack Mount Network Cooling System with 4 Fans M6 screws, cage nuts, and washers