GE- Touch uses customized Marlow(US) peltier. Its max. ramping rate is 5 ℃/s and cycle times is more than 1000,000. The product combines a variety of advanced technologies: Windows system; color touch screen; independently controlled 4 temperature zones,; PC on-line function; printing function; big storage capacity and support USB device. All above functions allow PCR’s excellent performance and meet higher experiment’s need.