1.1.Power PF > 0.9, THD < 15%,greater than 130 lumens per watt. 2000 mah   lithium ion battery .                                                                                                                                                                                                 2.When it detects smoke or environmental temperature is above 90 degrees   C, alarm sound the alarm sound, 3 meters distance is 85 db.                                                                                                                                                                                                      3.When the alarm sounded, the lamp is automatically converted to the emergency light, escape the desired illumination
4Automaticly switch to Emergency lighting 60~160mins lasts while power off                                                                        5.Invention Patent ::201310638612.9  Taiwan Patent:102144013                                                                                                    6.CE Approval :LVD:TH13AC-007S,EMC:TH13AC-007E。