... PTZ protocols. For example, PELCO-P, PELCO-D, SAMSUNG etc.Lithium Ion Polymer Battery (3.7V DC2800mAh). The device employs advanced power control and ... command data from controlling devicePOWERPower AdapterDC5V, 2ABatteryBuilt-in 3.7V Lithium polymer battery ,2800mAhRechargeableAfter charging 3-4 hour, working time lasts 15 hoursLow ...