Air Conditioner Temp Regulation: Use a temperature measuring gun to measure and maintain whether the air conditioner temperature is normal Non-Contact Induction Temp Measurement: No need for close contact just hold one touch to measure temperature, non-contact is safer and faster Correct Measurement: Do not let the steam come into contact with the temperature sensing area, and maintain the measurement angle at 50~60 degrees High/Low Temp Alarm Preset: Long press and hold the temperature measurement button, and the red light flashes to indicate exceeding the preset value Is the Engine Overheating: Excessive engine temperature in a car can cause insufficient power, which can easily cause the cooling system pipes to burst Specifications: Measuring range: -20℃~650℃/-4℉~1202℉ Ambient operating range: 0-50℃(32-122℉) Measuring distance: D:S=12:1 Response time: 500ms gap 94% response Emissivity: preset 0.95 adjustable Auto shut-off: Auto shut-off if no operation for about 7 seconds Zeroing offset: √ Average/difference: √ Battery: 9V battery (not included) Screen display: VA reflective bright screen Low battery alert: √ IR laser: √ C/F adjustable: √ Max Min: √ HOLD data hold: √ High and low-temperature warning: √ Backlight setting: √ Beep/silence: √