... , monitor unlock E-lock ringtones=12pcs color vivid video &audio FCC,CE,ROHS 2010 wireless remote video door phone2.4 G Digital Wireless remote ... -40 degree+70 degreeIndoor Monitor1) Monitor Screen:2.4 inch color screen2) Input :AC100-240v 50-60HZ3) Output:DC 5V4)Battery ... approvedAccessory screw, rechargeable battery, ,manual, power adapter wireless 2.4G video door bell systerm from factory