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LED COB Chip 12V/36V 10W 20W 30W 50W 70W 100W Cool/Warm White for smd Floodlight. 10W 20W 30W 50W 70W 100W LED Chip COB High Power SMD White Fit Floodlight DIY. LED COB Chip 3W 5W 7W 10W 12W White Bulb Round 9V 12V 36V.