Range: -40°C to 50°C (-40°F to 122°F) in water or soil, -40°C to 100°C (-40°F to 212°F) in air Accuracy with U12 loggers: ±0.25° at 20°C (±0.45° at 68°F),(insert probe 0.9" min.) Drift: < 0.1°C (0.2°F ) per year Resolution with U12 loggers: 0.03° at 20°C (0.05°F at 68°F) Response time in air: 3 minutes typical to 90% in air moving 1 m/sec (2.2 mph) Response time in stirred water: 1 minute typical to 90% Housing: Stainless-steel sensor tip Probe dimensions: 0.5 cm x 2.5 cm (0.20" x 1.0") Weight: 37g (1.3 oz), 125g (4.4 oz), or 280g (9.9 oz) Cable Length: 6ft