Specification Track Material: Aluminum alloy Boom Arm Material: Stainless steel Plug: American Standard Color: Silver Voltage: 110V Frequency: 50/60Hz Operating Noise: ≤ 30db Motor: DC Motor Power: 45w Running Speed: 14cm/s(5.51in/s) Load Capacity: 50kg/110.23lbs Gross Weight: 3.7kg/8.15lbs Net Weight: 2.8kg/6.17lbs Package Size: 220*11*11cm/86.61*4.33*4.33in Motor Size: 5.1*6*28.9cm/2.01*2.36*11.38in Single Section Slider Length: 96cm/38in Section Slider Length: 4m/13.12ft Package Included 4* Slide Rails 1* Motor 1* Remote Control 1* Power Cord Description This electric curtain track will be your intelligent curtain housekeeper. In the morning, it will welcome the first beam of sunlight for you automatically, to light up the good time of the family. In the evening, it will automaticall.