This small exposure unit mainly used for exposure small screens,printing plate,hot stamping ;exposing area is 46*32cm. There are four 15W light tubes;the exposing area is 46*32cm;Adopt countdown timer to set the exposing time;the timer will automatically save and memory your set data. Parameters Product Code: 010038（110V) Exposure size: 18*13in Product Color: blue Plug: American standard,National standard,European standard Machine using material: steel plate Machine surface treatment: Electrostatic spraying Attachment material: Stainless steel or zinc plating, nickel plating Machine size: 20*14*7inch Packing material: Export fumigation Methods of using the timer : 1.Before using, please press the "C" button to reset, the display shows 00:00 00 and it is flashing state. 2.Press the "hour" and "minute" and "second" button separately to set the countdown of the electrify time, the display shows "ON" 3.Press the "start/pause" button to start the countdown. At first press the "C" button to remove the original set ; Then press "minute" set to"5"; press "seconds" set to "30"; Then press the "start/pause" to start the countdown, lamp open; After five minute 30 seconds countdown , plate burning machine tube closed. This setting do not need to change, it is automatically saved. When the machine starts again, the countdown is still 5 minutes and 30 seconds.