1 X LED Gu10 4W = 40W Dimmable Day White Ultra Bright Spot Light Lamp Bulbs, Glass lens Replacement Bulb Equivalent to 50W Halogen, 60 Degree Beam Angle New JACKYLED Technology Recessed Lighting Lighting 360LM Compatible for Silicon-controlled Rectifier(SRC) Dimmers,Standard Mr16 Shape,Input:120V AC