This is a good working MJ Research PTC-200 PCR DNA engine Peltier thermal cycler with dual 30-well alpha unit block assembly. This thermal cycler comes with 60-day warranty. Included: MJ Research PTC-200 PCR DNA Engine Peltier Thermal Cycler, 100-240 VAC, 50-60 Hz, 850 Watts 30/30 Dual Alpha Unit: Holds 2 x 30 x 0.5 ML Tubes (to run two programs simultaneously) Power Cord60-Day Warranty The item may have some signs of cosmetic wearor mend, with or without a plastic sticker of Gradient Cycler, but is fully operational and functions as intended.