This energy-saving night light is made of acrylic with electronic materials and it has a sensing mode, which can detect that the dark environment light will be on automatically in the dark environment (not started in the brighter environment) within the sensing range. The design is reasonable, safe, sensitive and eco-friendly. Intelligent sensing, sensitive light control, safety and environmental protection. Ear design very cute, fine back work, side ear shape. Energy saving and environmental protection. Manual switch and light sense are optional by your like. 3 1/8"Lx3 1/8"Wx1"T