Camera Specification? * Transmission Frequency:ISM 2,400~2,483 MHz * Imaging Sensor Type: 1/8CMOS * Horizontal Resolution: 380TV Lines * Picture Total Pixels: PAL:720×480 Pixels; NTSC: 720×576 Pixels * Power: DC 5V * Unobstructed Effective Range: 100m(Min.) Monitor Specification? LCD Screen Type : 2.5 inches TFT-LCD Effective Pixels: 480×640 Receiving Sensitivity: ?-85dBm Video System: NTSC/PAL Battery Working Time: 5 hours Consumption Current: 200mA(Max.) DC: 5V Product Notes: (1)When you use the baby monitor,please don't use other 2.4Gh device,such as cell phone,wireless internet,microwave and other device.They will interfer with eath other and flickering noise voice. (2)Please make sure that there is no block, such as heavy wall or door between the receiver and camera.