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: SP850 Shape: Mini Camera Feature: Music,Night Vision,Remote Control Sensor: CMOS Sensor size (inch): 1/3 Min. Illumination: 0 Lux ( IR On ) Night Vision Distance: 15 FT ( 5m ) Transmission Power: 17dBm Unobstructed Transmission Range: 160ft / 50m indoor, 850ft / 260m outdoor, line of sight Power: Input: 110V - 240V, working voltage: 5V / 2A DC Working Temp.(℃): -10 to 50 celsius degrees Display: 3.5 inch Sensitivity: -90dBm Modulation Mode: GFSK Service Time: 8 hours Packing List: 1 x Baby Monitor 2 x Power Adapter 1 x English User's Guide Package List: 1 x Baby Monitor 2 x Power Adapter 1 x English User's Guide