Specification AcceptedVoltageFrequency : 100v_120v_60hz Brand : TOPXCDZ Brightness : 300 lumen BulletPoint1 : Output voltage: 3.2V-3.6V Current product :1W:250mA-300mA,3W:700mA BulletPoint2 : In order to maintain current stability, extend lamp life, please use constant current drive. BulletPoint3 : Electric soldering iron: soldering iron temperature does not exceed 260 ℃; soldering iron must be grounded, welding time of not more than 5 seconds. BulletPoint4 : The cooling shell is recommended with high-power led bracket with aluminum or copper heat sink, and the need for LED scaffold in the bottom with the flat heat sink connected to the application of high thermal conductivity of the thermal grease. BulletPoint5 : Please do the cooling work of the lamp beads, lamp beads surface temperature can not exceed 60 ℃, otherwise it will affect the lamp beads life. Color : Natural White 4000k ColorRenderingIndex : 80 ColorTemperature : 4000 kelvin ConnectivityTechnology : Normal bulb ControllerType : Push Button ControlMethod : application ExternallyAssignedProductIdentifier : 3001708764765 ExternallyAssignedProductIdentifier1 : 651343591825 ExternallyAssignedProductIdentifier2 : 0651343591825 ExternallyAssignedProductIdentifier3 : 885441735434 ExternallyAssignedProductIdentifier4 : 696731113951 ExternallyAssignedProductIdentifier5 : 0846092022632 ExternallyAssignedProductIdentifier6 : 0711033024184 ExternallyAssignedProductIdentifier7 : 0696731113951 ExternallyAssignedProductIdentifier8 : 0885441735434 ExternallyAssignedProductIdentifier9 : 00846092022632 GpsrSafetyAttestation : 1 IndoorOutdoorUsage : indoor ItemDisplayDimensions_Height : 11.75 inches ItemDisplayDimensions_Length : 6.75 inches ItemDisplayDimensions_Width : 5.88 inches ItemDisplayWeight : 1 pounds ItemName : TOPXCDZ 1000PCS 3W High Power LED Beads 1W 3.2-3.6V SMD Chip LED Diodes for DIY Bulb Light Beads Cold Warm White (3W 1000PCS 3.2-3.6V, Natural White 4000K) ItemPackageDimensions_Height : 21.7 centimeters ItemPackageDimensions_Length : 13.3 centimeters ItemPackageDimensions_Width : 13.3 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : light-bulb-rings LightColor : Warm White, Cold White LightColor1 : Blue LightColor2 : Warm White LightType : LED Manufacturer : TOPXCDZ Material : gold, aluminum, iron, copper Material1 : Stainless Steel Material2 : Metal Material3 : Brass ModelName : LuxChlc ModelNumber : 8541864581 NumberOfItems : 1 PackageLevel : unit PartNumber : 1708764765--64069907 PowerConsumption : 10 watts PowerSourceType : Corded Electric ProductDescription : 1.Power: 1W/3W High Power Lamp Beads 2. Material: Aluminum Stent and Four Golden Thread 3.Emitting color: Natural White,White,Warm White,Cold White 4.Life Span : 50,000 Hours 5.With RoHS & CE Approved 6.Beam angle : 180 degrees 7.Luminous Flux: 1W:100LM-120LM,3W:280LM-300LM 8.Size: 30*30mm 9.Dimensions: Diameter 8mm Round 10.Output voltage: 3.2V-3.6V 11.Current product :1W:250mA-300mA,3W:700mA 12.Roduct Color temperature: 1800-2000K (Golden Light) Aluminum Stent 3000-3200K (Warm White) Aluminum Stent 4000-4200K (Natural White) Aluminum Stent 6000-6500K (White) Aluminum Stent 10000K (Cold White) Light a little Blue Aluminum Stent 13.Welding process: the heating platform, hand soldering, times within three seconds 14.Applications : Bulb, Ceiling, Lighting, and other Lighting Products 15.High Power LED Instructions:Please pay attention to the soldering iron grounding, the operation process, please wear static bracelet.