UFORCE U2 

Type : Dual Coils 

Resistance : 0.4ohm 

Power Range : 40-80W

Best Range : 55-65W

UFORCE U4 

Type : Quadruple

Resistance : 0.23ohm 

Power Range : 50-120W

Best Range : 60-80W

U8 0.15ohm

octuple coil

(70-130W)

best 90-110W)

UFORCE N1

Type : Single Meshed Coil 

Resistance : 0.13ohm 

Power Range : 50-100W

Best Range : 70-80W

UFORCE N2 

Type : Dual Mesh Coil

Resistance : 0.3ohm 

Power Range : 45-800W

Best Range : 55-65W

UFORCE N3 

Type : Triple mesh Coils 

Resistance : 0.2ohm 

Power Range : 65-100W

Best Range : 75-85W

UFORCE P2 

Type : Single Mesh Coil

Resistance : 0.6ohm 

Power Range : 24-28W