Micro Q iQ2 provides ultra-precise temperature control of embryos in 0.25 ml straws during shipping. The shipping incubator is extremely rugged and can withstand extreme ambient temperatures during shipping utilizing Micro Q simultaneous heating and cooling feature, this version has a capacity of 297 straws. Features: Active ultra-precision heating and cooling Temperature control range 20° C to 45° C Ambient Temperature range -20° C to 60° C Microprocessor controlled heat pump Temperature control resolution = 0.0625° C Temperature LCD display resolution = 0.1° C Rechargeable battery with integrated power supply Temperature holding duration 72 hours. Vibration and shock resistant exterior Extremely durable ballistic nylon skin Dimensions: Length: 18 inches Width: 13.00 inches Height: 15 inches Weight: 20 pounds