6 LED Motion Sensor Light, BLISS Wireless Security Light Emergency Lighting for Garden Pathway Hallway Camping Power Outage, Corner Standing Lamp hanging lights Battery Powered, Portable Night Light The Portable Motion Sensor LED Night Light has 3 modes AUTO/ON/OFF. In Auto mode, it can identify day and night automatically and only illuminates at night or dark place by detecting humen body movement, and turns off automatically after 30 seconds if no motion is detected. If you need to leave the light on whether in the dark or bright place, please set it to ON mode. In AUTO mode, the PIR motion sensor of this light can detect humen body motion as far as 15 feet range with 180 degrees sensor angle. The bright LEDs never need to be replaced, and it's so efficient that you will get more than 2,400 activations on a set of batteries. Easy Installation: No hardwiring required, portable and removable design makes it can be place anywhere! Powered by 4 AA batteries (Not included).