No cable or reader required, the USB connector enables quick connection to PCs to download data. The USB temperature data logger is super quick and easy to configure data logger, NO need to install any software. This temperature and humidity logger provides all key information for recordings incl. alarm status, temperatures statistics and etc. Up to 14400 temperature points and 14400 humidity points. Disposable USB temperature recorder is a simple and portable temperature recorder specially designed for cold chain.This product is widely used to monitor the transportation and storage process of food, medicine and chemical products. Battery type: CR2032(INCLUD) Material: plastic colour: white Package Contents: 2 x USB Temperature Data Logger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.