what are those two devices ?

[Ahmed Alamassi]

http://www.amazon.com/Royal-Management-System-TimePilot-Tap/dp/B00H26MLHU/ref=pd_sim_sbs_86_7?ie=UTF8&refRID=07SB89ZK036PGVM1Q4Y1

http://www.amazon.com/TimePilot-Portable-Employee-Time-Clock/dp/B00E8R59A2/ref=pd_sim_sbs_229_4?ie=UTF8&refRID=14BFHQ86FSA234D283WJ


Whats the deference between the two ?
My friend want to open the doors in his house with these devices using the keys bundled with the devices.

why the device in the first link have input and output ? what are these for?

 

[danny2000]

These are time clock devices. These will not open or close doors, or unlock them.
This is to monitor employee time when they come to work and leave work, etc.