Description: This plant bulb design standards E27 BASE socket, installation is very convenient Blue LED Light renders taller vegetative growth, red LED light boosts growth of buds, flowers, and fruits Add extra sunlight to the plants, help shorten the growth cycle,improve the health of your plants rapidly Widely used in greenhouse plants, flowers, vegetables, indoor dark growth, hydroponics greenhouse Full light can help plant grow while extending the blooming period and increasing production Specification: Material: Plastic Lights Color: Blue & Red Service Life: 50,000 hour Power: 220V AC input Size: 47 x 54 mm / 1.85 x 2.12 in 3W, Blue Light Quantity: 12, Red Light Quantity: 24, Input Voltage: 220V, LM: 250 4W, Blue Light Quantity: 18, Red Light Quantity: 36, Input Voltage: 220V, LM: 300 5W, Blue Light Quantity: 20, Red Light Quantity: 52, Input Voltage: 220V, LM: 400 Package Includes: 1 x Plant Grow Light Bulb(6 Pack) : Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you bid Due to the different monitor and light effect, the actual color may be slightly different from the picture color