HQRP 12W PAR38 Spot LED Blue + Red E26 E27 Bulb Grow Light for growing Flowers Roses, Tulips, African Violets, Poinsettas UV Meter HQRP&reg; LED Spot Plant Grow Light plus HQRP&reg; UV Chain / UV Health Meter; 2 Blue LED Light (460 nm wavelength) + 10 Red LED Lights (630 nm wavelength); Bulb: E26 E27 Base; 12 Watts, Working Voltage: 85V to 260V; Dimensions: 2.5 inches x 5 inches (9cm x 12.5 cm); Possible Operating Temperature (Conditions): -4F - 122F (-20C - 50C); 200 days warranty