5in Baby Monitor 720P HD Color Video 2 Way Intercom Night Viewing Temp Detector 100‑240VUS Plug Conditon: Item Type: Baby Monitor Material: ABS Plastic Color: As Pictures ShownCamera Size: Approx. 85 x 100mm/3.3 x 3.9inFrame Rate: 15-25 Frames Signal Strength Indication: 5 Levels Volume Control: 10 Levels Intercom: Two-Way, Half-Duplex Voice Control Function: Automatically Turn On The Screen When There is a Sound, and There is an Alarm Sound On The Receiving End Camera Rotation Function: Select 110 Degrees Up and Down, Rotate 350 Degrees Left and Right One Receiver and Multiple Transmitters: One Receiver Can Be Equipped With Four Transmitters, Switchable and Automatic Cycle Display LCD Size: 5 Inches 720*1280 RGB Color LCD Transmission Security: Can be Used Only after Mutual Code Matching Electrical Parameters: Battery: Built-In 3.7V/2020MAH Lithium Battery Battery Discharge Time: 5 Hours Continuous Discharge, 8 Hours In Sleep Mode With Screen Off Transmission Frequency: 2.4GHz ISM Bands Wireless Working Method: FHSS Transmit Power: 17+-1dBm Transmission Rate: 4MHz BER<1E-3 Transmission Distance: Open Area: 150-200 Meters Working Current (Transmitting and Receiving): TX: 520mA Maximum, RX: 500mA Maximum, Normal Standby 340MA Without Charging Current Charging Current: 300-400MA Camera Resolution: 720P Image Resolution: 720P Video Transmission Rate: 15-25FPS Total Harmonic Distortion: <5.0% Signal to Noise Ratio: 46dB Receiving Sensitivity: -89dBm(Typ.)@4MHz BER<1E-3 Night Vision Lights/Distance: 6 Night Vision Lights, Night Vision Distance 3-5 Meters/9.8‑16.4ft Humidity Range: 20--80% RH Temperature Range: 0℃--45℃