Automatic Syringe Bottle Tube 5UM BT T 3 Options:Automatic Syringe Bottle Tube 5UM BT T 3 •Energy and cost savings •Unlimited •Energy and cost savings •Unlimited opportunities for customized lighting options •Provides powerful light without adding distracting fixtures on top of the aquarium •Completes the illusion of the hidden fixture •Allows the consumer to direct the light where they need it •Bulbs never need replacement •Reduced cord clutter •Adjustable to fit your aquarium •Quality assurance • Flash Memory Size: 4 GB Features: 5ml Automatic Self Filling Syringe Adaptable as a tube feed syringe or bottle top syringe Steel Plunger (no O ring) with precision glass barrel Adjustable Pin Lock handle design for easy conversion Heavy Duty Bottle Cage for Bottle protection (50ml & 100ml bottles only)