The Honrane video monitor will help you keep eyes on your baby , old folk, pet... VOX Mode:VOX is a power saving mode with sound activatedThe screen turns into sleep after 1 minute without any sound in transmitter side if you turn on VOX mode It will be on automatically with sound activated in the transmitter sidePlease do not mistake it is defect when auto mute works.You can turn off the VOX mode at any time. Press the VOX key for turning on/off the VOX modePaired:The camera paired itself to the monitor automatically, so all you had to do was plug in the camera and charge the monitor, It doesn't need Wifi/ Internet Unobstructed Effective Range:Using enhanced 2.4GHZ wireless technology which prevent signal drop outs. The monitor covers a transmission range of up to 98.4ft/30m indoor, 984ft/300m outdoor without barriers.Products details:8 lullabies with adjustable volumeTwo-way talkAutomatic IR Night VisionPan & Tilt : Rotated around 360 degrees, up & down 120 degrees. You can put it in anywhere and adjust the angle as you want. Multiple Languages: it supports English, French, Spanish, Portuguese, Italian, German, Turkey, RussianMonitor:LCD Size: 3.2 InchResolution Supported: 320 x 240 @20fpsReceiving Sensitivity: -90dBmBattery: Li-polymer / 750mAHPower Supply: 5V/550mA DCDimensions (W x H x D):4.72"x2.75" x 0.67"Camera:Sensor: 0.3Mdga pix CMOSTotal Picture Pixels: 640 x 480Minimum Illumination: 0 Lux (IR on)Night Vision Distance: 15 ft (5m)View Angle: Diagonal 45°Power Supply: 5V/550mA DCDimensions (W x H x D): 2.63" x 4.17" x 2.63"