Engineered by finest quality and leading edge technology according to the advance technology and market norms under the direction of competent experts. Simple, intuitive programming, cost-efficient, fast setup and convenient to use makes it an ideal choice. - 8 pcs long service life Peltier heating units and form 4 circuits to control 4 temperature zones and allow double block gradient function - Reinforced aluminum module with anodizing technology can keep rapid heating-conducting property and have enough corrosion resistance - High heating and cooling rate, max. Ramping rate 5 ?/s, can save your precious time - Two blocks independently controlled and can run 2 different PCR programs simultaneously