It can be a decoration,add more wonderful . The light bulb is not included.It does not have any harm to your body. WaterproofHigh technology and exquisite workmanship. High compatibity fit for your light bulb.It is super durable and weather-resistant for long time using. replacement for your old one. It is great for outdoor garden, patio, terrace, driveway, yard and more . Nordic style, simple and stylish.Uses:60watt medium bulb (not included)Lamp type: E27size:34 x 19cmMaterial:metalcolour:blackPackage Contents:1 x Post Pole Light (Bulb not included)1 Pack x Mounting ScrewOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.