Wireless Gate Relay Switch Remote Control Access Garage Door Opener 3G

1 GSM access controller G202 is a very simple device that can be used to authorize access control, remote device switching, parking system, etc. 2 There is no calling fee, the GSM access controller refuses to call the authorization number and then performs an open/close operation. 3 Opening the door is no longer traditional, and shaking the door to open the door adds more convenience and provides more convenience for your life. 4 Based on GSM 2G or 3G (depending on your option) network, widely used, can be used for doors, door posts, guardrails, garage doors, shutters and access doors or machines. 5 Security caller ID for identification, will ignore unknown callers, add or delete users through SMS text commands, no need to provide remote control for different users. 6 Can be operated from anywhere, no distance limit, up to 200 authorized phone numbers can be configured. 7 With relay level 3A/240VAC output for connecting door or machine switch Relay operation will return SMS confirmation to the owner, this function is edited by the user.

What's in the box
1 x Garage Door Opener