The new digital dual portable temperature controller by Gerbing has the possibility to regulate the temperature of two products seperately. This dual controller can easily be connected straight to the battery cable and to the connection plug of two different items.You can use the dual portable temperature controller with the following combinations: If you connect the 12 volt heated gloves to the sleeves of the 12 volt heated jacket than you can connect the dual controler to the two plugs on the inside of the heated jacket. Just connect the white cable of the controler to the white cable (powers the jacket) of the heated jacket and connect the black wire to the black connection (powers the gloves) of the heated jacket. Now you can seperately set the temperature for both items. If you connect the heated pants to a heated jacket liner. You can connect the temperature controller the same way as mentioned above. If you also have the heated gloves connected to the heated jacket than you can set the temperature of the jacket seperate from the heated pants and heated gloves. If you use a dual controller together with other items than the controller will always heat the jacket seperately from the other items. It does not matter how many other products you have. Other features of the digital dual temperature controllers are: The digital dual portable temperature controller has five different settings. When you use the controller for the first time you have to connect it to the battery cable and than press both buttons seperately for a few seconds to activate. The dual controller is designed to remember the last setting. It will automaticly recall the last heat setting when you reconnect to the battery cable. To activate this memory you have to disconnect the controller after use instead of turning it off. You can set the temperature of all 12 volt products as you see fit. Digital controllers ensure that your heated clothing uses only as much power as requested. Wires are UL listed and completely safe, in all weather conditions. The warranty period is two years. Attach this controller to any solid object with Velcro®.