Designed to look like a normal music Cd.
The cdi scales are powered by 2AAA batteries, or you can plug your own 3vdc transformer into the socket.
Three weight options are available, 100g in 0.01g increments and 500g and 1000g in 0.1gm increments.
Comes complete with instructions and protective wallet.
Cover can be substituted for your own CD sleeve.