1Intelligent infrared thermometer supports noncontact measurement, no need to hold, to avoid crossed infection. 2Using new chip, the induction time is about 0.5s, and the temperature measurement accuracy tolerance is 0.2. 3Support wallmounted installation, with doublesided tape, easy to install and use. 4With fault detection warning light, abnormal temperature warning light and memory function. 5With / switching function, it can quickly test a large number of people, and the operation is convenient. Condition: 100% Brand New Item Type: Thermometer Material: ABS Voltage: 5V Temperature Measurement Accuracy: 0.2 Response Time: 0.5 Seconds Alarm Mode: Abnormal automatic alarm, flashing + sound Measuring Distance: Automatic measurement 5-10cm / 1.97-3.94in Standby Time: About 1 Week Installation Method: Hanging, double-sided tape, bracket fixed Working Temperature: 10-40 Measuring Range: 0-50 Standby Mode: Non-Working time 5s standby, red dots dynamic cycle Display: Digital Display Battery: 18650 Polymer Lithium Battery (Battery Not Included) Weight: Approx. 471g / 16.6oz Size: Approx. 16.9x11.3x14cm / 6.7x4.4x5.5in 1 x Thermometer (Battery Not Included)2 x Expansion Tube2 x Screw1 x USB Cable1 x Manual1.Please allow 01 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.