High light: Catamaran DL1 is base on Catamaran S model(please see Catamaran S at first in our products list). Below additional functions are integrated in the boat : 1. A backup battery is installed to give boat a power for *0 minute more. This extra power is able to bring the boat back when the main batteries are empty. 2. Both bait hoppers are controlled by different potentiometers on handset. 3. The LED lights could be switched ON and OFF by remote controller in distance as well. 4. The line dropper can be controlled by remote controller independently.