Microcontroller Based Blood Storage Cabinet has an air flow system to ensure even temperature distribution. The Blood Storage Cabinet is equipped with Micro-controller controls the internal temperature at 4 Degree C with temperature variation within ±0.5 Degree C. The Blood Storage Cabinet is provided with foamed-in-place CFC free polyurethane foam insulation ensures temperature stability and reduced energy consumption. The Blood Storage Cabinet utilises audio visual alarm when the temperature deviates from the preset temperature. Microcontroller Based Blood Storage Cabinet has built in 7 days circular chart temperature recorders and stainless steel heavy duty basket to ensure even temperature distribution.