Specification:Each Light Dimension (LxWxH): 3 3/8" x 2 15/16" x 1 3/16" (86 x 74.5 x 30.5 mm)Material: Abs+PCInput Voltage: 5V/2AWorking Frequency: 2.4G hzStatic Light Consumption: 0.3WMax. Light Consumption: 5WWorking Temperature: -5anddegC to 45anddegC (23anddegF to 113anddegF)Working Humidity: 5% to 90%Download App Support: iOS / AndroidCommunication Protocol: WiFi, BluetoothLifespan: more than 20,000 hours. Package Content:11x Led Smart Lights1x Base1x Usb Cable11x Connectors1x Manual. Notice:This Smart Light needs to be used in conjunction with cololight App.You can download App through App Store or Google Play. Beginner Guide and Using Help in App will do you a favor!For best lighting effect, it s recommended to connect no more than 11 light blocks on 1 power cord. For connecting more light blocks, please add more power cords.