1.Forehead infrared measurement 2.LED display 3.Bee alarm 4.Auto-off function 5.Talking 6.Object and human body temperture mode switch                                                                                                                                                                                                       7. Measurement range: 22-42.9℃/71.6-109.2℉ 8. Accuracy: ±0.3℃/32.54℉ （22.0-42.9℃/71.6-109.2℉） 9. Resolution：0.1℃/℉ 10.Memory Storage: last 9 measurements 11. Respose time: 2 seconds 12. Fever alarm: Over 38℃(100.4℉) 13. Power: DC 3V (2*AAA batteries) 14.Dimension: 4.85"*3.29"*1.6" 15. Display: LED