Download an App to your cellphone and you will conveniently control this 9W Warm White + RGB Light Smart Waterproof Dimmable WiFi LED Bulb. It is not a common light bulb， simply supporting daily lighting function. For this recommendation， it is really a high-tech product with WiFi function. By correct connection， you can control bulbs up to 50pcs simultaneously. Its dimmable design allows you to randomly adjust the brightness for meeting your real demands. It emits soft and mild warm white light as well as RGB effect， helping to create romantic atmosphere on special occasions!                                    Features             A smart LED bulb with built-in WiFi function， suitable for many smart phones<br> Dimmable design for random adjustment<br> It sends out warm white light as well as RGB light for creating romantic atmosphere<br> Delicate workmanship， superior material， high brightness and good reliability<br> Pass through CE， ROHS authentications<br> Can be easily controlled by a download App on the phone <br> Excellent waterproof performance， suitable for wet condition    <br>                                                            Specifications             Color     White    <br> Bulb Color     Warm White    <br> Weight     8.78oz / 249g    <br> Bulb Size     (3.46 x 5.19)" / (8.8 x 13.2)cm(H x Dia.)    <br> Conection Methods     WIFI    <br> Suitable Phone OS     Android 2.3.3 & IOS 6.0 or Above    <br> Software Language     English，Chinese    <br> Channels     4 RGBW    <br> Chips Specification RGB     5050-1.5W x 5，Warm White: 2835 x 20    <br> Light Luminous Flux     Warm White:650-750LM    <br> Wavelength    Red: 620-630nm，Green: 520-525nm，Blue: 450-460nm    <br> White Color Temperature     2800K-3200K    <br> Emitting Angle     120°    <br> Working Voltage     AC85V-AC240V，50/60Hz    <br> Power     RGB:                        Package Includes            1 x (Bluetooth) LED Bulb<br>1 x Manual<br>                                                            Extra Info            LED bulbs advantages  How to choose LED light bulb  Base type