1. pH Range -2.0-16.0pH Resolution 0.1pH Accuracy +/-0.1pH
2. Temperature range -5.0 to 60.0 oC (23.0 to 140.0 oF) ; Resolution 0.1oC or 0.1oF Accuracy +/-0.5 oC or +/-0.1oF
3. Automatic pH calibration 1 or 2 point with 2 sets buffer memory (pH 4.01/7.01/10.01 or pH 4.01/6.86/9.18) which automatically compensates with the temperature
4. Enviroment condition 0.0 to 50.0 oC (32.0 to 122.0 oF); Max.RH 100%
5. Battery type 4*1.5V/ appoximately 300 hours continuous used, auto-off after 8 minutes of non-use
6. Dimension 163*40*26mm. weight 100g.