Messenger Portable -80 Ultra Low Temperature Freezer For Transporting Frozen Specimens, 1L Capacity

The Messenger Portable Ultra-Low Temperature Freezer offers 1L capacity and a flexible cooling range from 4°C to -80°C, making it ideal for storing Pfizer, Moderna, or Oxford/AstraZeneca vaccines. Using a Stirling engine with no moving parts and 100% natural refrigerants, it provides reliable, vibration-resistant operation with ±0.5°C temperature accuracy. Features include an RFID digital lock, 115V or 12/24V power options, and a built-in lithium battery for up to 1 hour of remote use. The compact freezer holds up to 100 2mL vials in a standard 10×10 box, perfect for safe vaccine transport and laboratory sample storage.