Rapala Fishing RCD Floating Live Bait Aerator Specifications: - The AFTA award winning, water activated RCD Floating Aerator starts automatically when it's in contact with water - Sleek, modern design offers compact size with big performance - Aerator mixes air into water, keeping bait alive for extended time - Operates with 3 C batteries and aerates 1.5 liters per minute - 18 hour continuous runtime or 36 hour runtime on 15 minute interval setting Features: - Automatically turns on triggered by immersion in water - 18 hour continuous run time or 36 hour run time on 15min interval - Floats on the surface of your bait tank