Thanks to timing function, you can set any time at will to save more power. The flashing speed will change according to the rhythm of the music.It has powerful functions like timer, USB charging, APP control, adjustable brightness and speed, million colors, memory function, etc.Made of copper wire and ABS, it is easy to twist and bend.There are 7 sizes for you to choose. You can download APP "LED LAMP" to match with Bluetooth-compatible. No remote control is required.It is suitable for Christmas, dance party, shop decoration, banquet, room decoration, etc. There are more than 16 million colors for you to choose, and it provides 7 scene modes and 29 dynamic modes.Item Name: String LightMaterial: ABS,Copper WireType: 1: 2 Meters with 20 Lights, 2: 3 Meters with 30 Lights, 3: 5 Meters with 50 Lights, 4: 10 Meters with 100 Lights, 5: 15 Meters with 150 Lights, 6: 20 Meters with 200 Lights, 7: 30 Meters with 300 Lights Input Voltage: 5(V)Protection Level: IP65Luminous Flux: 3 (lm)Color Temperature: 3000 (K)Life: 5000 (H)Features: RGB, Festive, Widely UseSize Details: Type 1: 2m Length: 200cm/78.7" (Approx.)Type 2: 3meter Length: 300cm/118.1" (Approx.)Type 3: 5m Length: 500cm/196.9" (Approx.)Type 4: 10m Length: 1000cm/393.7" (Approx.)Type 5: 15m Length: 1500cm/590.6" (Approx.)Type 6: 20m Length: 2000cm/787.4" (Approx.)Type 7: 30m Length: 3000cm/1181.1" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.The product can only be synchronized with a single color through the mobile APP, and 16 million colors can be selected. It is compatible with for Android system, for Apple system, and APP language can be automatically adjusted according to the mobile phone system, support most European and American languages.Operation Method:1: In the custom mode, there are 4 operation modes to choose from (jumping, breathing, flashing, gradual change).2: in normal mode, static mode (7 colors), three-color jump (7 colors), seven-color jump, three-color gradient (7 colors), seven-color gradient, single-color gradient (7 colors), single Color flash mode (7 colors), two color gradients.Package Includes:1 x String Light1 x User Manual