... battery 4.three mode switch 5.battery night light sensor battery night light sensor with super bright leds1.super bright led lighting ... ,kitchen,closet,walkway,corridor,gate,ect..any indoor position.2) The best height of sensor lamp hanging is 1.2-1.5m3 ... there have something between people and sensor lamp such as glass,curtain,furniture,the sensor will not working.Ningbo Hunshine International ...