Seems well specced for the price.
From 7dayshop site:
"CCD : CMOS Chip
Lens : 120 degree wide angle lens.
Focal Range : 12cm- infinity
Display 2.4 inch LTPS TFT Screen.
AV-OUT : NTSC/PAL
Photo format: jpg 1.3m,3m,5m,8m
Video Format: AVI 30fps 1280x720,720x480,640x480.
Zoom : 4x Digital Zoom.
Media supported SD Card 64gb Max, (We recommend using the 7dayshop high speed class 10 sd cards with this product, see links below).
Supported languages: English, Simplified Chinese, Traditional Chinese, Spanish, Russian, French, Portuguese, Korean, Japanese and German.
Battery : integrated rechargeable lithium battery 600mah (Working time roughly 2 hours )
Interface :USB 2.0 (will work whilst charging, we include a car usb charger in the box)
size/weight 119x55x13.2 , 94g.
Whats in The Box.
1x hd vehicle camera
1x suction windscreen mount.
1x car usb charger
1x av cable
1x 1.2m usb to micro usb cable.
1x Driver CD"