TENNEY BTC Benchtop Temperature Test Chamber. Well suited for electronic, military, and pharmaceutical quality assurance and reliability testing, along with research testing and production processes. Digital programmable controller. Temp. Range: -70°C to +200°C. Inside Dimensions: 20” L x 19” W x 22” H. 2” cable port. 230V, 1 Ph, 60 Hz, 23A. Some minor scratches.