What is the difference between the Smart DL 5 in 1 Slim and the SDL-S1 Smart Slim 5 in 1?
The SDL-S1 Smart Slim 5 in 1 is a newer model with a slightly more modern look. It has a larger user capacity of 200 fingerprints, 200 cards and 150 codes (as opposed to about 120 fingerprints, 100 cards and 100 codes) and can be easily retrofitted ...