TopLiok RC Servo BEC UBEC 3A 5V for Helicopter Airplane Receiver Servo Power Supply Brand new, Lightweight and compact LED indicator light Output Voltage: 5V / 3A Input: 5.5V-26V (2-6 cells Li-Po battery pack or 5-15 cells Ni-MH battery pack). Size: 43 x 17 x 7mm, Weight: 11g, buy with confidence!