Attention: Welcome to my shop! We ship the product from China, the delivery time is 7-14 days! product descriptionFrame rate 15-25 fpsSignal Strength Indication 4 LevelsVolume control 5 levelsIntercom Two-way, half-duplexVoice control function, there is a sound to automatically open the screenOne receiver and multiple transmitters, one receiver can be equipped with four transmitters, and the display can be switched.LCD size 2.4 inches 960x240 RGB color LCDTransmission security requires mutual code to be usedb: electrical parametersLCD receiving voltage DC: 5V/1000MA Battery: built-in 3.6V/1000MAH lithium batteryTransmission frequency 2.4GHz ISM BandHow Wireless Works FHSSTransmit power 19dBm CW modeTransmission rate 3MbpsTransmission distance Open area: about 200 metersWorking current (transmitting and receiving) TX: 400mA MAX, RX: 400mA MAX, usually standby 160MA without charging currentCharging current 120-200MAAudio sample rate 16KAudio frequency response range 120Hz-3KHzVoice control start control level 35- 50dB MIC InputCamera resolution 300,000Image resolution 320x240QVGAVideo transfer rate 15-25FPSTotal Harmonic Distortion Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.