Biological indicator incubator- Series helps assure the sterility of instruments, vials, media and other products in very short time. It also provides easy evaluation of incubation temperature. - Unique designed. Small size, light weight, portable, and suits on various occasions. - LCD display. Temperature and time display simultaneously. - Auto fault detect and buzzer alarm. Temperature calibration function. - 24V DC power supply input, low energy consumption. Built-in over- temperature protection device, safe and reliable.