This small exposure unit mainly used for exposure small screens, printing plate, hot stamping ;exposing area is 4632cm. There are four 15W light tubes;the exposing area is 4632cm;Adopt countdown timer to set the exposing time;the timer will automatically save and memory your set data. Parameters : Exposure size: 1812in Voltage: 110v(US PLUG) Power: 60W Machine using material: iron plate Machine surface treatment: Electrostatic spraying Attachment material: Stainless steel or zinc plating, nickel plating Machine size: 20147inch Net weight: 28lb Gross weight: 30lb Packing size: 221610inch Functions and Features: 1, There are four 15W light tubes(total power of light tubes 60W;spare part:one tube and a Ballast), it can normally be used for about 10,000 hours.