1,Transmission Frequency: ISM 2400~2483.5 MHz 2,Transmission Power: 17dBm 3,Unobstructed Effective Range: 160ft/50m indoor/850ft/260m outdoor, line of sight 4,Spread Spectrum: AFH & TDMA 5,Modulation Mode: GFSK 6,Operating Temperature: 14 ~ 122 Fahrenheit/- 10 ~ +50 Celsius 7,Operating Humidity: MONITOR 1,LCD Size: 2.0 2,Resolution Supported: 220 x 176 3,Receiving Sensitivity: -90dBm 4,Consumption Current (Max.): 150mA 5,Battery: Li-polymer / 400mAh,3.7V 6,Power Supply: 5V/500mA DC 7,Dimensions (W x H x D): 63mm x 126mm x 27mm 8,Weight: 0.08kg CAMERA 1,Image Sensor: CMOS 2,Total Picture Pixels: 320 x 240pxl 3,Minimum Illumination: 0 Lux (IR on) 4,Night Vision Distance: 15 FT (5m) 5,View Angle: Diagonal 31 6,Power Consumption (Max.): 100mA 7,Power Supply: 5V/500mA DC 8,Dimensions (W x H x D): 60mm x 102mm x 60mm 9,Weight: 0.5 kg Specifications: Built-in 8 Lullabies Built-in lullabies may help the parentscomfort the baby fall into sleep Two-way Voice Intercom You can talk with your baby in longdistance , without running back . Automatic Night Vision Keep an eye on baby all night long withautomatic night vision . Temperature Monitoring This function will help you know theindoor temperature around your baby . Up to 10 hours of battery life ( in VOX mode In VOX mode , it is not necessary to chargethe battery of the monitor during whole night . Package Included: 1*Camera 1*Monitor 1*Charger 1*User Manual