Transform your floral, event and catering designs into glowing masterpieces with the submersible lamp. Use the submersible lamps to illuminate flower arrangements, design props, table settings, serving trays, candle votives, ice sculptures and much more.The submersible candles changes colors gradually from red to blue to green.The submersible lamp has an ON/OFF switch and replacebale batteries (2 CR2032 coin cell batteries) for endless hours of enjoyment.Set of 12 pcs in sealed Blister package w/ user instruction. 1" High by 1 1/4" in Diameter. Great for parties, Christmas,Home decor, weddings, restaurants, and nightclubs and camping.(br) safe and perfect when you need an alternative for candles in order to meet fire codes or to avoid the dangers of an open flame.