Please be noted that we stock our products in UK, and you will get your package in around 2-3 workdays, while there are some other sellers who claim to be UK stock too, but take more than a week (5-7 Days) to deliver, which are usually China stock in fact. CONVENIENT REMOTE CONTROL- This submersible lights Battery Operated by 3 x AAA batteries (not included), 16 different static modes, 4 dynamic color changing modes. IR remote control, dimming or turn it ON/OFF. and can work continuously for more than 36 hours. .