Features:AE-UT Disposable Temperature Recorder: Temperature Range: -3070°C, Accuracy: ±0.5°C Record Capacity: Store up to 14,400 records Automatic PDF Report Generation Battery Life: Lasts up to 120 days USB2.0 Communication Interface AE-BUT Disposable Bluetooth Temperature Recorder Temperature Range: -3070°C Accuracy: ±0.5°C Record Capacity: Stores up to 32,000 records Battery Life: Operates for up to 180 days Bluetooth Connectivity USB2.0 Communication Interface App for Report Storage *High Quality Material: This product is made of high-quality material, which is wear-resistant, not easy to break, can be used for a long time, and is durable. *Easy to Use: The disposable USB temperature recorder is easy operation by pressing the button on/off. *No software needed to download PDF report: After record finish, it can be inserted to computer's USB port and get PDF report directly. *Large Capacity Data Storage: Small size can fit in any box, up to 32000 recording memory. *Widely Application: USB single use temperature data logger recorder covers a wide range of cold chain shipping including pharmaceuticals, frozen-food, fresh-food, vegetable, fish, cold storage etc. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Plastic Size: 73*30*7mm Measuring range: -30°C70°C-4140°F Resolution: 0.1°C Battery: CR2450 button cell Package List: 1/10/50pcs x Disposable USB Temperature Recorder