Features:This EPROM Eraser is designed to erase the EPROM chips by Ultraviolet Radiation.It can erase 6 pieces of chips every time.With timer function to set the time of chip erasing.Beautiful appearance, reasonable internal structure design.Compact size and light weight, easy to carry and use.Specification:Working Frequency: 43Hz-57HzWorking Temperature: -10C-40CWorking Humidity: 20%~90% RHDimensions: 160*120*48mm / 6.3*4.7*1.9inInternal Size: 96*56*8mm / 3.8*2.2*0.3inWeight: 328g (approx.)Operation: 1. Press down the Power Switch to "ON" (for 6pcs type only). 2. When the timer is set to "ON", the eraser is in the status of continuous working.3. Turn the timer clockwise to set the working period. One cycle is 60 minutes.Package List:1 * EPROM EraserNote:Please note that the switch color of this product will be sent randomly, and make sure you will not mind before ordering..