Bluetooth Dual Thermometer – Infrared and Folding Probe IRTLC750BT   IRTLC750BT comes with a foldable penetration probe, infrared sensor and Bluetooth function.#   Display with backlight for reading in dark environments Double laser pointer Compact, fits into any pocket Surface measurement with infrared °C / °F switchable Exchangeable battery Bluetooth Function   Technical Specification   Dimensions 169.5 x 44 x 23 mm without probe Resolution 0.1 °C Weight aprox. 140 g IP rating IP 65 Measuring range -50 °C… 250 °C Probe dimensions Length 100mm x diameter 3.0 to 2.34mm (stepped) Battery Rechargable lithium polymer battery 3.7 V Operating temperature -20 °C… 50 °C Storage temperature -30 °C… 70 °C Measured variables Temperature Battery lifetime Approximately 8h of continous usage usw Certificate Factory calibration certificate Accuracy – Infrared ±4.0°C between -50.0°C and -30.1°C ±2.5°C between -30.0°C and -18.1°C ±1.5°C between -18.0°C and -0.1°C ±1.0°C between 0.0°C and 65°C ±2°C (or 2%) between 65°C and 250.0°C Accuracy – Probe ±0.5°C between -30.0 and 99.9 ±1.0°C above 100.0 or 1% for remaining measurement range (whichever is larger). Memory Capacity 200 Measurement values