Reference : 20001621
Waterproof code keyboard, metal, with built-in proximity reader. Up to 2000 users. 2 relays that can act as timer or ON/OFF
Reference : 20001610
Waterproof, combined code keyboard with proximity reader with 5 cm reading distance - 3x4 keys. Up to 1000 users. Code length 2-6 digits can also use card/piece.