ange: -99.9 to 299.9°C (at 0.1°C), 300 to 1372°C (at 1°C) resolution: 0.1 °C to 299.9°C thereafter 1°C accuracy: ±0.4°C ±0.1% of reading battery: 3 x 1.5 volt AAA battery life: 10000 hours sensor type: K thermocouple display: 15mm LCD backlight: Yes dimensions: 32 x 71 x 141mm weight: 220 grams case material: ABS plastic with Biomaster anti-bacterial additive country of manufacture: United Kingdom guarantee: one years water/dust resistance: IP66/67 protection measurement scale: Celsius conforms to standard: EN 13485