-Brand: Labtek -Mode: LT-TS3 series -Volume: 70L ~ 300L -Thermal shock temperature range:-65°C+150°C -Temp constancy: within ±0.5 deg C -Temp tolerance: ±2.0°C High temperature zone -Pre-heat temp range: 60°C to 180°C -Rate of rise of temp: 60°C to 180°C within 60 min Ambient temperature zone Low Temperature Zone -Pre-cool temp range: -75°C+20°C -Cooling rate: +20°C -75°C Within 95 min -Recovery time: Within 5 min -More details, check with sales at labtek-inst dot com -Direct design and manufacture in Chinese factory, 1pc free design, customize at most competitive price.