Personal Heater (user operated on/off switch)-
Select this heater for personal in-flight heating. This heater can be used with an optional battery pack or plugged into a cigarette style receptacle. It is safe enough to be put inside a jacket and held in your hand while in use. 

2 fans, 2 heating modules
1 thermostat or on/off toggle switch
2" x 2.5" x 9.25" housing
24v DC
200 Watts
10' cigarette adapter cord