Whether a water gun is manual or electric depends on your needs and preferences.
Manual water bomb guns typically require a manual pull or pump action to load and fire water bombs. The gun does not require batteries, but does require manual loading for each shot. Manual water guns are generally lightweight, easy to carry, and suitable for close quarters combat.
Electric water guns must use batteries to drive the motor to drive the ammunition feed and launching mechanism. The gun requires periodic battery replacement, but can fire water bombs in rapid succession. Electric water guns are generally larger and require more maintenance, but have greater range and accuracy.
So if you need a weapon that is light, easy to carry and suitable for rapid combatroché, a manual water gun may be more suitable for you if you need a weapon with high range and accuracy; , then an electric water gun may suit you better. Of course, the final choice depends on personal needs and budget.
Do you want to ask how the water gun works? The working principle of the water gun is that the trigger is pressed until the hammer hits the firing pin. The firing pin strikes the rear end of the loaded bullet and the warhead is launched. The water gun is an electric toy gun that can fire continuously. It needs to be assembled, it is about 30 centimeters long and seems relatively heavy.