Specification : Type: USB LED strip light Voltage: DC 5V (USB Power Supply) LED Type: SMD 5050 Light Color: RGB Strip Length: 1m / 2m / 3m / 4m / 5m /10m/15m (The longest strip is 15 meters in a roll. if you buy the 30m set, we will send 2 rolls of 15m + a connector, you can use it to connect the light strip. ) The product link includes 4 LED strip options: 3Key controller: Led Strip + 3 Key controller ( NO Remote, NO APP). IR controller: Led Strip + 24 Key Infrared Remote controller. ( NO APP). Bluetooth controller:Led Strip + Bluetooth controller + Infrared Remote controller.(Can Use The Mobile App To Control The Light Strip) Wifi controller:Led Strip + Wifi controller + Infrared Remote controller.(Can Use The Mobile App To Control The Light Strip) Note: Remote NO Battrey(CR2025) . [Application]: TV, computer, caravan, car decoration, holiday decoration I wish you a happy shopping, we have perfect after-sales service. If you have any questions about the product, please contact me (5 star rating is very important to me
