Type: ESC Power: Battery Material: glass fiber board Scale: 1: 1 Radio Control Style: RC Model Item Name: BLHELI_S 4in1 25A MOQ: 1 Con. Current: 25A Peak Current: 30A Lipo: 2-4 s BEC: NO Programming: Yes Weight: 12g Size (PCB): 27x27mm Mounting Hole: M2.5 20x20mm