[Easy to install] The solar aeration pump has a ground plug, just plug it into the ground. [Solar powered] Using solar energy makes it environmentally friendly and maintenance-free, and solar energy is for your children. [Adjustable angle] The solar panel angle can be adjusted to receive sunlight to the fullest. [Low noise] Stable silent oxygen pump, suitable for a variety of containers. [Widely applicable] Suitable for small and medium-sized ponds, outdoor fish tanks, reservoirs, etc. Colour:As Shown Material:plastic Package Contents: 1 x Solar oxygen pump 1 x 1.5m air pipe 1 x screw bag 1 x air pump 1 x spherical air stone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture 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. Sold by-Minnanxin