1)Wireless transmission makes the DVR receiver can be separately carried by another person, thus not any evidence can be suspected or detected from the watch wearer, which assures great safety for the users to fulfill undercover assignments 2) Tiny pinhole camera lens safely hidden inside a working watch with a standard MP3 watch looking, making it ultra-discreet. 3) Long continuous operating time for camera wristwatch up to 40minutes. 4) Portable Solar charger guarantees strong & long time power supply for transmitter up to 7 hours esp. when outdoor working. 5) Built-in transmitter (30 0ft . L.O.S. range) 6) 2.4G wireless 4 channel 2.5” LCD color monitor recorder DVR provides high quality AV for view and record, no need to connect with any cable or any other equipment. 7) Rechargeable Li-battery for wireless receiver enables at least 6 hours continuous working. 8) No need installation, just plug and play. | 
