Precise infrared thermometer, 3 colors indicator with audio and visual fever warning. Quick measure in 0.5s, surface mode and object mode optional. Developed for accurate, safe and fast temperature measurements. Features: Infrared Measurement: Quick measure in 0.5s. Accurate and reliable with upgraded algorithm and optimized temperature calibration. Intelligent Alarm: 3 colors indicator for different temperature range, audio and visual fever warning. Power Saving: The device will enter standby mode automatically in 10s if there is no operation. 3 Installation Methods: Comes with double-sided tape and set of screw for drilling free or stable punching installation, or you can fix it on the bracket. Dual Power Supply Modes: Insert the rechargeable lithium battery (NOT INCLUDED) or plug in type-c cable to work. Versatile: Celsius and Fahrenheit unit switchable, surface mode and object mode optional. Note: standby time various with different factors. Specifications: Material: PPC Accuracy: ±0.2 Unit: °C/ °F Response Time: 0.5s Measuring Distance: 5-10cm Measuring Temperature: 10-42 High Temp. Alarm: Indicator & Voice Standby Time: about 2 Months Tri-colored Indicator: Green: 32.0≤T37.4(89.6≤T99.3) Orange: 37.4≤T38.5(99.3≤T101.3) Red: 38.5≤T≤42.0(101.3≤T≤107.6) Power Supply: DC5V 1A/ Lithium Battery (NOT INCLUDED) Language: English, Japanese, Portuguese, Korean, Spanish, German, French, Arabic, Russian, Italian Item Size: 155 * 105 * 84mm / 6.10 * 4.13 * 3.31in Item Weight: 223g / 7.87oz Package Size: 160 * 150 * 120mm / 6.30 * 5.91 * 4.72in Package Weight: 450g / 15.87oz Package List: 1 * Thermometer 1 * Type-c Cable 1 * Set of Screw 1 * Paper Clip 4 * Double Sided Tape 1 * Manual