Laboratory refrigerators supplied with digital controller, glass door, alarm system to meet the demanding requirements of laboratory research. These refrigerator has temperature ranging from +2°C to +8°C and all models are combined with two exact sensors and auto defrost. - Safety door lock and controller setting password to prevent unauthorized access - Build-in back-up battery to display temperature and to operate audible and visual alarm system for up to 8 hours without AC power - Auto on/off cooling fan to prevent cold air from leaking out when the door is opening - Visual and audible alarm system: High/low temperature, power failure, sensor failure, door ajar