Item Type: NFC Temperature Data Logger <br>Model: TTE35123 <br>Usage: One-time use <br>Temperature Measurement Range: -30℃ to 70℃(-4℉ to 158℉) <br>Temperature Measurement Accuracy: ±0.5℃/ 0.9℉ <br>Resolution: 0.1 <br>Data Recording Capacity: 32000 <br>Battery: 3.0V button built-in battery (CR2450) 600mAh <br>Recording Interval: 1-255 minutes, configurable <br>Battery Life: 180 days (1 minute sampling interval) <br>Communication Method: USB2.0 (computer), Bluetooth (mobile APP) <br>Start Mode: Manual button/software timing <br>Stop Mode: Manual / full stop<br>1、This temperature recorder has two reading methods, computer reading and APP reading. <br>2、32000 data storage can record continuously for 180 days, recording interval 1-255 minutes. <br>3、This temperature logger is applicable to all aspects of the pharmaceutical cold chain, and can be used to detect, track, and record the temperature of vaccine drugs. <br>4、Built-in 3.0V button battery, this temperature logger is very convenient to use when get it. <br>5、The operation is simple, user can manually press the key when starting, or software timing.1 x NFC Temperature Data Logger