... gear to the desired (code) you will remember, make a note off pass-code, you can now release the ... regularly, the battery should be charged at least once a month.2) Remote control uses (2) types of ... 1. moblile phone type battery (A123) 12v. for A,B,C buttons operation, this battery generally lasts approx: 1yr ... , do not work on more than one unit at a time! you can damage the components of the 'host ...