Size: 300*300*990mm (Fully Stretched), 300*300*190mm (When Folded) Net Weight: 2.95kg Material: ABS+Aluminum Alloy Charging Voltage: 5V⎓3A, 9V⎓2A, 12V⎓1.5A Rated Power: 20W Battery Capacity: 4000mAh Working Time: 3-22 Hours *oraimo Lab test results