About This SMART OXYGEN CONTROL: By adjusting the on/off cycle frequency of the aerator, it effectively controls water flow and oxygen supply, saving energy while ensuring fish survival—smart and energy-efficient. MANUAL/AUTO DUAL MODES: Designed with an intuitive rocker switch, it allows easy switching between manual and automatic modes. The front panel features a clear 1–12 minute timer scale for simple, hassle-free setup. MARINE-GRADE DURABLE DESIGN: Equipped with a UL-certified high-performance relay, silver tin-oxide contacts, UL1015 wiring, and a conformal-coated PCB. The sturdy painted metal panel and waterproof switch offer corrosion resistance and strong durability in changing marine environments. EASY INSTALLATION: The integrated structure comes pre-assembled and includes 304 stainless steel screws. Quick and convenient to install with no additional assembly required—just plug and play. SUITABLE FOR VARIOUS NEEDS: Compatible with a wide range of live bait tanks. Whether it’s for recreational fishing, professional tournaments, or commercial fisheries, it delivers benefits to all. Ideal for both indoor and outdoor use, perfect for fishing enthusiasts and professional anglers alike. Overview Operation Mode : MANUAL/AUTO Operating Voltage : 12 Volts (DC) Contact Type : Normally Open Connector Type : Molex Brand : briidea Switch Type : Rocker Push Button Terminal : Screw Material : Metal Item dimensions L x W x H : 3.62 x 2.05 x 0.91 inches Circuit Type : 1-way