ZOGLAB NANO-TH USB Data Loggers, Temperature & Humidity Recorder: Measuring range:-40℃~85℃;0%~100%RH Storge termperature: -50℃~90℃ Accuracy:±0.5℃;±3%RH(10%~85%RH),±5%RH(the rest) Resolution: 0.1℃ /°F;0.1%RH Memory size 15,000/30,000 values Alarm:Highlight LED indicator with dual clors Log interval 2s~24h PC interface:USB 2.0 Supply: 3.6V Lithium battery(rechargeable)with 6-12 montths(with refresh rate of 10 seconds.) Material:ABS+PC,flame-retardant,toxicity and halogen free Dimention:75×21×11mm Weight:12g business#zoglab.cn (please change # to @)