YUPENGDA&reg; Automatic Azan Wall Clock/islamic Azan Wall Clock/azan Wall Clock/automatic Muslim Prayer Azan Clock-ramadan Products/ramadan Gift (388*230*50mm(4008)) Check here for manual about How to choose city,add city,setting time." http://al-harameen.com/index.php/list-28.html " This clock it is DC power line,not AAA battery How to add new city---To Set () in AL-HARAMEEN clock, please follow the steps below 1. If you want to add a new city, please refer to Adding a new city 2. Press "UP" or "DOWN" adjust latitude ( ) press "SET", press "UP" or "DOWN" adjust minutes ( ) then press "SET" 3. Press "UP" or "DOWN" adjust longitude ( ) press "SET", press "UP" or "DOWN" adjust minutes ( ) then press "SET" 4. Press "UP" or "DOWN" adjust GMT [ ] then press "SET" Azan times are not correct? Make sure you have set the following correctly: 1. City code 2. Gregorian calendar & time 3. Taqweem system 4. Daylight saving time option (DST) If all are right, refer to users' guide (azan safety time setting).