Multi-function meters used to come supplied with all necessary leads to support the full functions of the meter. The product I purchased required the purchase an extra USB cable to support the data logging functions (The software is included with the meter, so why not the lead!?) which I found irritating but begrudgingly purchased. To my dismay when I opened the box, the temperature probe was also not included and seems will also require a separate purchase. The batteries which were included arrived dead. The battery compartment may well be patented, but is nigh on impossible to access intuitively. This was the expensive end of the budget multi function meters and am very disappointed at the value for money here. If all leads were included in the standard meter retail price then it would represent reasonable, but not great value for money.