| How to use : | 
|   1.  connect with 7.4V battery | 
|   2.  put down switch on 2 seconds, power on. | 
|   3.  in use, if down into  7V, it comes 'Beepee' and | 
|                   lamp is lighting at the same time. | 
|   4.  if down into 6.6V, it comes 'Beepee'  often. | 
|   5.  If down less 6.0V, it comes 'Beepee' very often. | 
|   6.  It's needed to charge battery in case of 3,4,5. | 
|   7.  If off switch, Put down the botton for 2 seconds. | 
|   8.  Max. current is 20Amp,  possible for 8 servos. |