Solar panel voltage: 4.5V. Solar panel power: 3.5W. Solar panel size: 160mm (diameter 160MM,) Number of coloured lights: 7 LED breathing seven-coloured lights (seven-coloured cycle) Water pump specification parameters: Pump voltage: DC 4.5V Water pump power: 1.0W Water pump with anti-dry burning function Maximum head: 130cm Maximum flow: 240L/H Maximum spray height: 60CM Battery parameters: Rechargeable lithium battery pack: 3.7V 1800mAh With sunlight, the solar panel can power the pump while the excess electricity will charge the battery directly. With sunlight the colorful breathing light will not light up, without sunlight, the battery full charge state can support 4 hours (continuous water spray continuous light) Battery life: more than 500 times cycle charging Shipping list: nozzle x 6 (different effects), nozzle base x 1, adapter x 1 manual x 1 anti-shore spreader bar * 4 (6 completely different nozzles of water spray effect) [Start]: When the pump receives sufficient sunlight for the first time, the pump will start within 3 seconds. In order to ensure the battery life, each time the battery discharge process will retain 30%, the battery is below 30% of the stored power, the battery does not work, it is recommended to take the fountain out of the water and put it in the sunlight for a quick charge