pecifications: Base Type: E27 Voltage: AC85-265V Power: 10W/15W/20W/25W LED Type: 2835 SMD Emitting Color: White/Warm White Color Temperature: 5800-6500K/2800-3500K Body Material: PC Detection Distance: 3-5 meters Lasting Time: 30-45s Features: Automatically turn on/off with PIR motion detection. Durable and energy-saving, long lifespan. High sensitivity, high light, low consumption Suitable for corridor, pathway, stair, garden, yard, etc. Notice: 1.The sensor head faced to Exit/Entrance 2.The lamp should be keep far away from which temperature is high and sensitive place. 3.Not put any big object around it. Work principle: In sensor range, it will turn on, works about 30-45 seconds. After 30 seconds .if you not move,the lamp will turn off. It only works in dark environment or at night.