description [Remote control and voice control]-Download the free application "Smart Life", you can control the lights individually or create different groups to control the lights, even if you are not at home, you can also use your mobile phone to control your smart bulb; Amazon Alexa and Google Home work together, voice control on/off or dimming the lights, etc. [Multi-color & scheduling function]-16 million colors to choose from, 2700-6500K adjustable white light. You can choose the lighting suitable for different scenes, such as ordinary light reading, sleep night light, party decoration light; you can also set multiple time schedules to turn on/off according to your own preset time. The schedule can be repeated daily or weekly. [Built-in wireless network, no hub required]-Smart Life application only supports 2.4GHz wireless network, and the pairing process will fail under 5GHz wireless network. If the pairing fails, the dual-band router should switch to the 2.4GHz frequency band. [Wide use]-This candlestick bulb is 4 watts (equivalent to a 40 watt halogen lamp) and 400 lumens. It can be used as household daily lighting, ambient light and night light, suitable for bedroom, living room, kitchen, bar, garage, coffee shop, office, hotel, etc. Specification Input voltage 110-220 (V) Mobile version: Android 4.4/ios9.0 Number of lamp beads: WW(2835-1W*4) CW(2835-1W*4) Voltage: 95-130VAC, 50/60HZ Power: 4W Lumens: 320LM Dimming: cool white/warm white Screw mouth: E12/E14 Color temperature: 2700K-6500K Service life: 20000H Control distance: visible distance 20 meters Waterproof rating: IP20 Material: lampshade (PC), lamp housing (plastic coated aluminum) Size: D(37.5MM) H(110MM) Product net weight: 30G Packing size: 10MM*40MM*112MM Application: chandeliers, table lamps, wall lamps, etc. Application: home furnishing, commercial, exhibition stand, hotel, etc. voice control on/off or dimming the lights You can choose the lighting suitable for different scenes, such as ordinary light reading, sleep night light, party decoration light; you can also set multiple time schedules to turn on/off according to your own preset time suitable for bedroom, living room, kitchen, bar, garage, coffee shop, office, hotel, etc.