This baby monitor can also be attached to the of your baby's crib or on a flat surface or around a doorknob for your convenience. It has temperature and humidity monitoring, crying detection, and two-way auto capabilities. So not only will you surely hear your baby crying, but they'll be able to hear your voice to hopefully soothe them back to sleep even before you get to the bedroom. Plus, you'll get different lullabies to choose from to help your infant sleep through the night a lot easier. Feature - Color: White. - Material: Plastic. - Size: 13 x 7.4 x 1.55 cm. - Portable design, convenient to carry. - Allows you to care your babies in dark, keeping an eye on baby all night. - This video baby monitor is equipped a 3.5 inch LCD screen and connected to the baby camera via enhanced 2.4GHz wireless technology, clearly show our babies without WiFi interference. - You could play built-in lullabies or use the two-way talk back intercom function to comfort your babies whenever you want. - Note: This item comes with US plug, please confirm the voltage of your area before purchasing. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you Specification GENERAL - Transmission Frequency:ISM 2400-2483.5MHz - Transmission Power17dBm - Unobstructed Effective Range:160ft/50m indoor/850ft/260m outdoor,line of sight - Operating Temperature:14-122 Fahrenheit/-10-+50 Celsius - Operating Humidity: lt;85% MONITOR - LCD Size3.5inch - Resolution Supported:240X320 - Receiving Sensitivity:-90 dBm - Consumption Current:300mA - Battert:Li-polymer/600mAh - PowerSupply:5V/550mA DC - Dimensions(WxHxD):125mmx72mmx18mm CAMERA - Sensor:CMOS 0.3Mega - Minimum llumination:0 Lux(IR on) - NightVisionDistance:15FT(5m) - View AngleDiagonal31 - Powerconsumption:250mA - Power Supply:5V/550mA DC - Dimensions(WxHxD):120mmX74mmX18mm