Night Light is Widely Used in Night Lighting, Emergency Lighting & Decorative Lighting. the Method of Use is to Plug in the Plug, & the Light Will Automatically Light Up in the Dark Environment Detected Within the Sensor Range. in the Home Environment, Night Light is Often Used in Corridors, Bedrooms & Childrens Rooms to Provide a Safe & Comfortable Lighting Environment. in Addition, Night Light is Also Widely Used in Outdoor Activities, Camping & Emergency Lighting Occasions. Various Styles. Various Styles & Rich Colors to Meet the Personalized Needs of Different Users. The Product Size is 3.15*3.15in, & the Size Can Also be Customized According to the Customers Needs.