... 90 seconds6.Size:8.8*10cm7.Function:led sensor lightInstallation instruction1) put the sensor lamp in your bedroom,bathroom,kitchen,closet,walkway ... ,gate,ect..any indoor position.2) The best height of sensor lamp hanging is 1.2-1.5m3) Far away from ... ect.which the place of temperature change sensitively.4) If there have something between people and sensor lamp such as glass,curtain ...