OSRAM LED STAR MR16 12V LED Spot (ex 50W) 8W / 4000K cool white GU5.3
Amazon.com : Allisable 12V 50W LED Pool Light Bulb, 5000LM 6000K Daylight White LED Swimming Pool Light Bulb, Replaces up to 200-800W Traditionnal Bulb(AC/DC) : Patio, Lawn & Garden
ProPowerLed MR16 GU5.3 Base OSRAM LED 5W 400 Lumens, 50W Halogen Replacement, 10-20V AC (for 12V Low Voltage Systems)