Feature: 1. HD AND WIDE ANGLE VIEWING: With its ball shaped sensor design, this monitoring camera offers ultra wide tilt range, 110 degree up and down selection, and 350 degree rotation. Its double magnified display delivers clear and detailed images. Additionally, 6 built in night vision lights ensure clear viewing in the dark. 2. NOISE DETECTION AND LULLABIES: Upon detecting the baby's crying, for VOX feature will wake up the screen and enable a sound alert directly on the monitoring device. Built in 5 lullabies of this video baby monitoring device will lull your baby to sleep. You can adjust the volume of the lullabies or turn them off if they disturb you. 3. WIRELESS TECHNOLOGY: 2.4 GHz wireless transmission with a range of 150‑200m in open areas, no internet or app required. Features for VOX wake up function and can connect up to 4 cameras for monitoring multiple rooms. 4. SOUND ACTIVATED: The for VOX (Voice Control) function gets activated when the sound on the baby's end exceeds a certain limit, prompting the LCD receiver to work (screen lights up after auto off when sound is detected). This feature alerts parents to check on their baby. 5. COMPREHENSIVE BABY CARE: Apart from features such as temperature monitoring, motion detection, and two way talk, this video baby monitoring camera comes with a large 5 inch screen to ensure reliable and professional monitoring. Specification: Item Type: Baby Surveillance System Material: ABS Screen Size: 5 inch 720x1280 RGB Color LCD Battery Type: Monitoring Device: 2020mAh Lithium Battery (shipped with built in battery) Plug Voltage: AC100-240V Camera Resolution: 720P Image Resolution: 720P Video Frame Rate: 15-25FPS Signal Strength: 5 levels Volume Control: 10 levels Intercom: Two way talk, half duplex Sound Control: Sound activated screen on, receiver with alarm sound Transmission Frequency: 2.4GHz ISM band Wireless Working Mode: FHSS Transmission Rate: 4MHz BER<1E-3 Transmission Range: 200-300 meters in open area Operating Current: TX: 520mA Maximum, RX: 500mA Maximum Receiving Sensitivity: -89dBm(Typ.)at.4MHz BER<1E-3 Charging Current: 300-400mA Total Harmonic Distortion: <5.0% Signal to Noise Ratio: 46dB Night Vision Light and Distance: 6 night vision lights, night vision distance 3-5 meters Operating Humidity: 20--80%RH Operating Temperature: 0°C--45°C. Package List: 1 x Monitoring Device 1 x Camera 2 x Power Adapter 1 x English User Manual Note: 1: Please do not operate in high temperature, high magnetic field, or strong light. 2: Only use the designated power adapter and battery to avoid serious damage to this product. 3: Do not expose this product to extremely low or high temperatures. 4: Please power off when not in use. 5: Avoid water and dust. 6: Do not use diluent or other chemical cleansers to wipe the machine. 7: This product is designed for baby monitoring, please try to use it indoors as using it under strong light will reduce display effect. 8: AC adapter is for indoor use only.