The SK7 is a single door wireless access control, consists of a wireless & waterproof keypad , a mini controller 
and a wireless exit button. TEA + Rolling Code of encryption algorithm and the split design guarantees higher-secure.

> Waterproof, conforms to IP66 (Wireless Keypad)
> Communication frequency: 433MHz
> 600 PIN / card users (100 visitor users + 500 common users)
> PIN length: 4~8 digits
> Communication distance: 50m Max
> Door contact, alarm and door bell output
> Backlit keypad
> Pulse mode, toggle mode
> Tri-color LED status display
> Ultra low power consumption (wireless keypad<10uA, Wireless Exit Button: <10uA)
> Supports integrate 1 keypad and 1 exit button, or 2 keypads