Air pump 2-way type: Car power/Dry cell type (uses 2 size-D batteries, sold separately) is for sale! This is a very convenient bubbler that can use car power! Main uses with "car power": ① Purchase live bait → travel to the fishing spot ② Secure the catch → travel home This is a reliable item with no fear of battery drain (*^▽^*) With dry cell or rechargeable bubblers, you don't have to worry about the batteries dying and the creatures dying... That won't happen. Those who control the management of live bait control "live bait fishing"!! You can switch between weak and strong modes♪ Rock pool play... River play... It's the season when it's getting warmer ( ^ω^ ) It's good to keep creatures alive and observe them♪ How about an air pump for this opportunity♪^_^ Product Specifications ① Air pump body ② Air tube ③ Air stone ④ Car power cable Size: 15cm long, 8cm wide, 4.3cm thick Weight: Approximately 330g (body only) Power supply: Car power Size-D batteries x 2 (sold separately) Discharge volume: 2500ml/min Car power cable: 2.9 meters Rated output: 5w Voltage: 12V to 3V AC and DC compatible