Sensor Wall Sconces , PIR & Motion Sensor LED Lamp , Wireless Stick Anywhere Battery Powered Spot Lights Night Light (1 Pack) Wireless:Operated by 4*1.5V AA batteries (NOT INCLUDED) with no wiring required 3 modes: Auto ( PIRMotion Sensor activated); On ( Permanent light and PIRMotion Sensor closed); Off Intellisense: light will not light up during the day when its bright enough and when there is no adequate light, it will turn on automatically as you pass and will turn off automatically in about 20s Super easy installation: Lightweight and can be set as you like, attic, porch, wardrobe, bedroom will be a good choice Energy saving;eco friendly; Not just just a motion sensor but a infrared sensor