1. It realizes automatic solar charging, and built-in 2200mAh high-capacity lithium battery can be used continuously for 3 months after being fully charged. Even if there is no sun for 2-3 months, it can be used normally without charging the product separately. 2. Equipped with adapter charging socket (adapter specification is 12V, and need to purchase separately). 3. When not in use for a long time, the external switch should be closed to prevent battery leakage from affecting the service life. 4. Large screen design, high-end, decent, upscale. 5. The design of newly added transparent protective cover not only can prevent false triggering, but also can effectively isolate the influence of harsh environment on the sensitivity of the operation panel, and the quality is more stable. 6. 12 liter capacity feed barrel design. 7. Transparent feed barrel, more transparent allowance. 8. Full-automatic design, can set up to 6 groups of feeding time, so that make feeding arrangements more abundant. 9. 120 degrees horizontal wide angle spraying feeding, spray feeding design for large area feeding, spread to each corner of the fish pond, conveniently feeding fish. It can also be equipped with a short-range feeding cover to switch to a short-range feeding mode. 10. The shell is made of ABS material, light and beautiful, strong and durable.