BRAND NEW PURKEYS 12 VDC TO 110 VAC 1500-WATT INVERTER. PART #: 1200+WOT NO TIMER OR LVD SETPOINT 1200-11-8 11.8 V DISCONNECT SETPOINT 1200-12-3 12.3 V DISCONNECT SETPOINT 1200-2-8 TIMER ONLY Please, check out the pictures for more details. Please, check with your dealer if this part is compatible with your truck.