| Smart sensor cap protect sensor and USB device | 
| Button Start/Stop, Wrist strip hole, Hi/Lo threshold setting, Tripod receptacle: YES | 
| Sample interval: 1 second to 6 hours | 
| 5 start logger mode: Key start/stop, Program start date and time,Immediate, Real-time , Rollover
 | 
| Temp. range: -40.0°C~85.0°C(-40.0°F~185°F) Temp. accuracy: ±0.6°C(-20°C~50°C), others ±1.2°C
 | 
| Logger size: 135.7x28.5(with cap)mm | 
| RH% range: 0.1~99.9%RH RH% accuracy: ±3%RH(at 25°C, 10~90%RH), others ±5%RH
 | 
| Memory capacity- Total: 32000
 Temp.: 16000
 RH: 16000
 | 
| Power: 3.6V Lithium batteries | 
| Opeating Temp. RH: 0°C~50ºC(32°F~122ºF), <80%RH |