Model Number: RT8102E Key Specifications/Special Features: RT8102A (with low/high alarm limit setting)RT8102E (with outer sensor)RT8102EA (with low/high alarm limit setting and outer sensor)Temp measurement range:-10-50°C/14-122°F (built in sensor)-40-50°C/-40-122°F (outer sensor), (for RT8102E and RT8102EA only)Accuracy: ±1°C /± 1.8°F over full rangeDisplay resolution: 0.1° (digital display) 1° (bar display)Display size: 36 (W) x 146 (H) mm
External cord length: 3,000mm (For RT8102E and RT8102EA only)
Battery: 1.5V, type AAA or equivalent x 2pcs
Battery life: about 10,000 hours