Rising Dragon L4MTC-00ATL Repl Bulb, Rising Dragon, L4, 4 LED, Master, Epoxy EncasedWith the Rising Dragon Pinnacle Light System, there is no complicated cabling or hub layouts. Installation is as simple as running one perimeter cable around the spa and using a harness clip to attach lights anywhere along this perimeter line. This system uses either a controller or a Master Light to run the various lighting programs. Rising Dragon Master lights have the capability of acting as a controller to control Rising Dragon Slave lights or Rising Dragon Mini POL lights. Master lights plug directly into the existing control system and all other lights are connected to the Master Light via the rising dragon perimeter cable. Light Color is controlled by switching the lights on and off. Features: Voltage: 12v Power: 0.8w 4 LED Bulbs Maximum Separate Points of Light Controlled: 30 *Commonly used in: Clearwater Spas and Four Winds Spas