12.4GHz frequency transmission, in line with FCC and CE standards. 23.5inch display screen, which has high definition. 3Operation menu display, convenient for using and easy to operate. 4Long distance transmission, the transmission distance in the open area can be up to 150-200m. 5Clear night vision, provides you with 24-hour monitoring.Features: 1. 2.4GHz frequency transmission, in line with FCC and CE standards. 2. 3.5inch display screen, which has high definition. 3. Operation menu display, convenient for using and easy to operate. 4. Long distance transmission, the transmission distance in the open area can be up to 150-200m. 5. Clear night vision, provides you with 24-hour monitoring. 6. Half duplex voice transmission, it has clear sound quality. 7. With the function of voice control, the volume of the baby terminal will trigger the LCD receiver to work (the sound will be very bright after the screen is automatically closed), reminding parents to check the baby's status. 8. The receiver is powered by lithium batteries for easy movement. 9. With code function, which can improve security and privacy. 10. Support to play music, which can bring you much fun. Specification: Condition: 100% Brand New Frame Rate: 15-25 Frames Intercom: Two-way Intercom Voice Control: when There is a Sound, the Screen Will Automatically Open and the Receiver Will Issue an Alarm Sound. LCD Size: 3.5in, 320 X 240 RGB Color LCD Transport Security: Pairing Codes Are Required LCD Receiving Voltage DC: 5v / 1000mA; Battery: Built-in 3.6v/1300mah Lipo Battery Transmission Frequency: 2.4ghz Ism Band Wireless Working Mode: FHSS Transmission Power: 19dbm, Cw Mode Transmission Rate: 3Mbps Transmission Distance: 150-200 Meters (open area) Operating Current Tx: 400ma Maximum, Rx: 500ma Maximum, Standby: 200mA Charging Current: 120-280mA Audio Sampling Rate: 16k Audio Response Range: 120Hz-3kHz Voice Control Level: 35-50dB MIC Input Camera Resolution: 0.3mp Pixels Image Resolution: 320 X 240qvga Video Transmission Rate: 15-25fps Total Harmonic Distortion:Signal-to-noise Ratio: 46dB Receiving Sensitivity: -96dbm BER = 1e-3 Night Vision Distance: 2-3 Meters Humidity Range: 20-- 80% RH Temperature Range: 0--45 Optional Plug: EU, US, UK Voltage: 100-240V Package List: