1 the product is intelligent lighting bulb， using 2.4G wireless remote control method2 each remote controller has four-way switch， can individually control four groups bulbs respectively3 the bulb is in full color， you can DIY to adjust to any color range4 the best choice for controlling several bulbs together in large houses， shopping malls5 please refer to the instruction in details!BrandName: croledBase Type: E27Material: Engineering plasticEmitting Color: RGBLight Source: LEDPower: 6WLuminous Flux: 400-450LMVoltage: AC 86-265VSize: Diameter 5.6cm， Height 10.2cmBeam Angle (°):180°Color: WhiteDimming is supported: YesCan change colorful colorsCertification: CEDetailed operation please refer to the instruction of remote controller!Certification: CETouch Remote ControllerMaterial: ABSRemote distance: MAX 20MBattery: 2 x AAA (Not included)Size: 120 x 52 x 20MM4 x LED Bulb1 x Remote Controller1 x Remote Controller English InstructionIn color box package<br /><img src="http://img6.eachbuyer.com/x9/p100/ck144_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ck144_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ck144_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ck144_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ck144_5.jpg" />