3.2 inch LCD Wireless Video Baby Monitor 2 Way Audio Talk Night Vision Surveillance Security Camera 1. Imaging sensor: CMOS 2. Function: night vision, azimuthpitch, sound detection, lullaby playback 3. Resolution: 480 x 320 4. Battery capacity: 2100mAh lithium polymer battery 5. Working time: about 8-10 hours 6. Frequency: 2.4GHz 7. Working range: up to 100 meters (barrier-free environment) 8. LCD display: 3.2-inch TFT LCD 9. Modulation type: GFSK 10. Operation interface language: English Features: 1. 3.2 inch HD LCD 2. 380 TV lines, 480 x 320 resolution 3. Built-in 2100mAh lithium battery in the receiving screen 4. Digital RF modulation with frequency hopping function (automatically switching RF channels) 5. Dynamically select clear channels to avoid interference from other 2.4GHz devices 6. Data privacy protection (supports user ID identification) 7. Hypnotic music playback function 8. The room temperature of the camera can be displayed on the receiving screen 9. Two-way intercom, support data encryption 10. The night vision distance of the camera is 5 meters 11. Both the receiver and the camera have built-in microphones and speakers 12. The transmission distance in open space can reach 100 meters (328 feet). Because wireless is affected by the environment, the specific usable distance varies depending on the environment