Specifications:- Each Light Dimension (LxWxH): 3 3/8" x 2 15/16" x 1 3/16"- Input Voltage: 5V/2A- Working Frequency: 2.4G Hz- Static Light Consumption: 0.3W- Max. Light Consumption: 5W- Working Temperature: 23°F to 113°F- Working Humidity: 5% to 90%- Download App Support: iOS / Android- Net Weight: 2.2Lbs. Package Contents:- 10x Light Blocks- 1x Table-Top Base- 10x Wall-Mounting Bases- 1x Usb Cable- 10x Connectors- 1x Manual. Notice: - This Light kit needs to be used in conjunction with cololight App, you can download App through App Store or Google Play.- 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.