It’s the state of the art product & loaded with several features. The best aspect is it’s confirms to 21 CFR Part 11 compliance and light weight with true value for money. Being single & multiple use we can use as many times we need for short trips as well as for longe journeys of several months ( it can continuous record the data for 222 days ). Designed in Singapore & conformity to all international regularity requirement and I recommend for best device for your cold chain monitoring of shipments.