Portable Temperature and Humidity Data logger

Description

Measuring range: **0C~*0C/0%~**0%RH
Accuracy: ±0.5C/±3%RH(*0%~*5%),other range ±5%(*3C±2C) 
Resolution: 0.1C/0.2F; 0.1%RH            
Sampling interval: 2s,5s,*0s,*0s,*0s,**5s                                         Logging interval:2S~*4hours option.
Alarm: alarm mark                                                                     Start/End recording: buttons/software
Interface: Mini USB2.0                                                               Battery: rechargeable 3.6V lithium cell*1pcs                                         Battery life: Typical 1year when once full charged                               (with sample rate of *0seconds )                                                   Memory Size: *5,**0 units