The SK7 is S4A 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.

SK7

Wireless Access Kit

> Waterproof, conforms to IP65 (Wireless Keypad)

> Communication frequency: 433MHz

> 600 PIN / card users (100 visitor users + 500 common users)

> 125KHz EM Card

> 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