Accuracy: Thermistor: ±0.36℉ (0.2℃) RTD: ±0.55℉ (0.30℃) Sensor Type: Thermistor:10kΩ Type II & III RTD:100Ω, 1000Ω, 385 curve; 1000Ω, 375 curve Temperature Range: 32° to 158°F (-0° to 70°C) Stability: Thermistor: < 0.036°F (0.02°C) per year RTD: 0.14 °C with 6,000 continuous hours at 400 °C Heat Dissipation: Thermistor:2.7 mW/°C (power need to raise the temperature 1°C) RTD: 0.4°C/mW at 0°C Enclosure Rating: WP: NEMA 3R, metal enclosure BB: NEMA 4, weatherproof, UV- resistant plastic enclosure BB2: NEMA 4, BAP-Box 2 IP66 rated, UV-resistant plastic enclosure Mounting: Directly to wall Wiring Terminations: 22 AWG wire, etched teflon leads Weight: 0.8 lb (0.36 Kg) Approvals: CE, RoHS Warranty: Lifetime