I'm pretty sure it's the M820 model. Listed as a 'Which Best Buy'.
Probably not the best or most feature-pack digital photo frame, but doesn't look bad for the price. £59.99 was the best price I've seen elsewhere so the 50% off is not quite as good as it sounds!
Product material plastic.
Interchangeable face plates available for purchase but not included in pack.
Thumbnail, single picture, slide show, zoom in/out, rotate, brightness adjustment options.
User manual included.
Compatible with compact flash, secure digital card, MS/MS pro/MS duo/MMC/SC card, JPEG, EXIF. 2.1 motion JPEG (avi) MPEG-1, MPEG-4.
128mb built in memory.
2 memory card slots.
800 x 480 screen resolution.
MPEG4 and video player.
Overall size (H)18.1, (W)25.7, (D)3.4cm.