1. Monitor the exactly situation via remote wireless camera and portable palm LCD-TFT receiver 2. 2.5" TFT-LCD with 640 x 240 resolutions 3. Magnet of camera bracket for easily attached on iron surface 4. Night vision (effective range: 3m) 5. Built-in rechargeable Li-battery in camera 6. Built-in microphone for audio monitoring 7. 4 channels optional to avoid possible interference 8. Up to 100m (330ft.) transmission range in open space