Specifications:

30amp Speed Controller
Nixx: 5-12NC
Lipo: 2-4
Weight: 25g
Bec Output: 5V/2A
Dimension (W*L*H) : 23*43*6
Programmable: YES

Specifications:

1.1 Output: Continuous 30A, Burst 40A up to 10 Secs.
1.2 Input Voltage: 2-4 cells lithium battery or 5-12 cells NiCd/NIMh battery.
1.3 BEC: 2A / 5V (Linear mode).
1.4 Max Speed: 210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM. (BLM: BrushLess Motor)
1.5 Size: 45mm (L) * 26mm (W) * 12mm (H).
1.6 Weight: 29g.
User Programmable: Yes

Specifications:

56 x 24 x 9 mm (Including Heatshrink)
Weight: 21 grams (0.99oz)
Constant current 30A Max 40A <10s
Li-Poly 2-3 cells; Ni-MH 4-10 cells Auto Detect
Brake On/Off;
BEC: 3A

Specifications:

- Size: 49.6mm x 26mm x 8.9mm
- Weight: 25g ( Net Weight )
- Sustaining Voltage: (Li-ion/Li-poly: 7.4 - 14.8v) / (NiMh/Nicd: 6 - 14.4v)
- Current (Continues): 30A
- Current (Burst >10 sec): 40A
- BEC Mode: Linear
- BEC Output: 5v / 2A
- User Programmable: Available

You will know this esc. It goes by many names - The old version Emax, Turnigy, OEM RC, Unitech.... Don't be fooled - this is EXACTLY the same esc. We used to sell them as emax brand until emax changed suppiler and esc.