Feature:1. Built-in lullabies may help the parent comfort the baby fall into a sleep.2. Temperature monitoring. Know your baby\u0027s room temperature all the day long without worries.3. Two way audio between the camera and monitor, you can talkback to baby.Specification:Features: Built-in lullabies may help the parent comfort the baby fall into a sleep. Temperature monitoring. Know your baby's room temperature all the day long without worries. Two way audio between the camera and monitor, you can talkback to baby. Keep an eye on baby all night long with automatic night vision. Up to 8 hours of battery life. No need to charge the battery for the monitor in the whole night. Small size, portable design, convenient to carry.Specifications:Model: SP850Shape: Mini Camera Feature: Music,Night Vision,Remote Control Sensor: CMOS Sensor size (inch): 1/3Min. Illumination: 0 Lux ( IR On ) Night Vision Distance: 15 FT ( 5m ) Transmission Power: 17dBmUnobstructed Transmission Range: 160ft / 50m indoor, 850ft / 260m outdoor, line of sightPower: Input: 110V - 240V, working voltage: 5V / 2A DC Working Temp.(): -10 to 50 celsius degreesDisplay: 3.5 inch Sensitivity: -90dBm Modulation Mode: GFSK Service Time: 8 hoursPacking List:1 x Baby Monitor2 x Power Adapter1 x English User's GuidePackage List:1 x Baby Monitor2 x Power Adapter1 x English User's Guide