Teflon, Mil-Spec 26 AWG 2 Conductor, Shielded, Stranded Silver Plated. 

This cable is built to Military Specifications and because of its high temperature and high voltage rating it can be used for any application. 

Conductors: M16878/4

Number of Conductors: 2

Conductor Colors: Red, Black

Conductor Insulation: PTFE 

Conductor Stranding: 7/34

Shielding: #36 Silver Plated Copper Braid

Outer Jacket: Red Wrapped PTFE  

Maximum potential rating: 600 volts

Maximum temperature rating: 200C