Product With this baby monitor, you'll never gonna to worry about your baby when you're outside. It features with conversation functions, so you can interact with your baby on a far way from home. It's also equipped with function of lullaby playing which can keep your baby sleep easily. Nice gift for new parents. Feature: Color: Shown in the pictures. Material: Plastic. Size: Approx. 12.2 * 6.5 *1.5 cm/ 4.8 * 2.56 * 0.6 inch(L*W*H). Viewing Angle: H:80 degree,V: 100 degree Power Requirement: DC 5V. Other Special Feature: support up to 4 cameras. Resolution: 320x240(RGB). 2.4 inch TFT LCD screen 2.4GHz wireless digital technology, no interference, no privacy leak. Built-in night light. Lullaby: make baby more fast & soft to go to bed. Night Vision Distance: Min.5m. 100M transmission range in open area. 100M pixels. Built-in microphone & speaker / two way audio communication. Baby room temperature detection. Camera Image Sensor: 1 / 3' color CMOS image sensor. Pixel: H: 640; V: 480.