KKmoon GSM Door Gate Opener,Remote On/Off Switch,Access Control Switch,Light Switch,Home Lock Switch,APP Control,Free Call,SMS Command,Support 850/900/1800/1900MHz

KKmoon GSM Door Gate Opener,Remote On/Off Switch,Access Control Switch,Light Switch,Home Lock Switch,APP Control,Free Call,SMS Command,Support 850/900/1800/1900MHz

• ✔【Security & Convenience】You can open the door with one call and no need to bring a key,Use the caller ID to identify and ignore unknown callers. Add or remove users with the SMS Text command. There is no need to provide remote controls or buttons for different users.
• ✔【Remote Control】With a remote on/off switch for authorized calls for free calls, which can be operated from anywhere without distance restrictions. 850/900/1800/1900MHz quad band, can be used in the global GSM network.just support standard 2G SIM card.You can also download the APP and make calls on the APP.
• ✔【No Call Charges】The GSM relay switch answers the call from the authorized number and then performs an on/off operation on the first "ringing" as long as your card supports 2G network,there is no call charges.
• ✔【Easy to Install】The metal casing and system are safely isolated, especially suitable for industrial control applications. Small size and support for wall mounting.We have provided video, after installation, you can control the doors or lights in various places at will.
• ✔【Multiple Applications】Suitable for doors, elevators, garages, car parks, resorts, control rooms, warehouses, unsupervised machine rooms of the group type, such as telecom operators, on-site lighting subframes, base stations on site, traffic controllers and distribution of electrical system and field cabinet.