Two CR2032 Coin Cell Battery Holder 6V Output with On/Off Switch
– The holder is made of plastic and snaps open and closed.
– You can tape it closed if you need more security than just the plastic snap.
– A nice extra is the on/off switch up top.
– RC2032 Coin Cell Batteries are not included here
Instructions for use:
Changing the water that came with the suction pipe immersed in a fish tank 4-5 inch up and down shaking the water several times until the tank is automatically discharged
1 x Two 2032 Coin Cell Battery Holder