1. Transmission method: 2.4GHz wireless baby cam 2. Display: 2.8 icnh IPS/LCD display on monitor 3. VOX: screen power off automatically and VOX Voice Activation for power saving 4. Speaker: build-in microphone and speaker in both units for two way audio communication 5. Battery: 1500mAh (up to 20 hours in VOX mode) 6. Night vision: invisible Infrared light night vision 4 meters 7. Indicator: Indicator for noise level in baby room. 8. Sound alert: sound alert for Out-of-range warning. 9. Image sensor: H62-AH 10. Video resolution: 1280x720 11. Video frame rate: 30 fps. 12. Viewing angle: 65 degrees. 13. Transmission distance: range up to 300 meters in open field