Features: Monitor 1. Antenna input Impedance 50ohm 2. Antenna input Port Built-in 3. Display Type 2.5" TFT 4. LCD Contrast Ratio 150: 1 5. Audio Output level 1.2 + / - 0.4Vp-p(Standard 1Vp-p) 6. Power Supply DC 9V/500mA & 4*AAA batteries Camera 1. Transmission Frequency ISM 2, 400~2, 483 MHz; 2. Transmission Power 10mW/CE; 2mW/FCC 3. Operating frequency 2414MHz/2432MHz/2450MHz/2468MHz 4. Unobstructed Effective Range 100m(Min) 5. Modulation Mode FM 6. Video Gain Control Automatic 7. Operating Temperature -10 ~ +50 degree / +14 ~ +122 Fahrenheit 8. Storage Temperature -20 ~ +60 degree / -4 ~ +140 Fahrenheit 9. Operating Humidity: Lower than 85% 10. Operating Condition indoor 11. Packing Clam Shell 12. CAMERA Imaging Sensor Type CMOS 13. Picture Total Pixels 628*582 Pixels(PAL) 14. 510*492 Pixels(NTSC) 15. Horizontal Resolution 380 TV Lines 16. View Angle 62 angle 17. Minimum Illumination 5Lux/F1.2 & 0Lux(IR ON) 18. Night Vision Range Least 5m 19. Pan Angel Pan: + / - 0 angle 20. Tilt Angel Tilt: + / - 45 angle 21. Audio bound 100~20KHz 22. Power Supply DC 9V /300mA or 4 AA batteries CE/R&TTE/GS/RoHs are available.