This wireless eraser camera is exactly the same size and color of a normal plastic eraser! Very convenient & safe to carry! It is completely wireless and all built-in: a full color video camera, microphone, rechargeable li-battery, and a 2.4GHz transmitter, antenna.
Just put it in a eraser case and place on the desk innocently like any other stationery or hide it anywhere you like, it begins transmitting high quality color video with sound to any available 2.4GHz wireless receiver( like the wireless DVR receiver, A/V receiver, USB receiver). No need any cable to connect it with the receiver. The transmitting range is up to 400 feet!
Advantages:
1) Completely wireless, all built-in (like antenna, transmitter, rechargeable li-battery).
2) Exactly same size and color of a normal plastic eraser.
3) High resolution image: (628 X 586pix; 420 TV line)
4) Very smooth video for quick moving image record.( frame rate: 30FPS)
5) Night vision available (0.05lux for the minimum illumination). It will change into black & white image automatically when under dark light.
6) Long continuous operating time is up to 2 hours.
7) Smallest size: 5.7X2.0X1.20CM