Battery-Operated Detection Light: Powered by 4 alkaline Type-D batteries (Batteries not included), it can illuminate an area of 300 feet. The battery can provide lighting for up to 8 months. Energy Saving Hallway Light: This lamp uses 80 LED lights SMD2835 bright and long-lasting. The 300 lumen lights can cover about 300 feet and the matte shadows are designed to soften the light and will not cause discomfort to the eyes even at night. Motion Sensor Lamp: Thanks to the built-in PIR infrared motion detector, when it detects motion up to 10 feet away in a dark environment, this LED ceiling light will light up immediately. If no motion is detected after 20 seconds, it will automatically turn off to save power. Two Modes Available: There is a switch near the motion sensor to turn the lamp on/off. When the switch is ...