Specifications: Rated Voltage: 12VDC 1 A Working temperature: -10℃ to +60℃ Storage temperature: -20℃ to +60℃ Relative humidity: 10-90%, No condensation Work frequency: 900/1800MHz Communication protocol: GSM PHASE 2/2+ (include data service) Wired Zones: 2 Signal: 2G Related Voltage of the Output Relay: 6A/240V AC Weight: 200g Size: 95*66*25mm/3.74*2.59*0.98in Notes: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X RTU5035 GSM Gate Opener 1 X Antenna 1 X Card Pin 1. Authorized Access for 999 Users: Enhance your property's security with our GSM gate opener relay switch, designed to grant selective access to a massive list of 999 users. This extensive control system is ideal for giving entry privileges to a large group of trusted individuals. 2. Wide Application with GSM Network: The door opener leverages the GSM network for impressive reach, providing consistent monitoring and instant alerts on unauthorized entries. Its global application ensures that you have control over your property from anywhere, without the hassle of distance constraints. 3. Caller ID Recognition and Remote Control: Master remote access effortlessly with our garage gate opener. It distinguishes callers automatically and pairs with a user-friendly app to manage various devices, catering to individual requirements for both residential and commercial properties. 4. SMS Intelligent Alarms: Stay informed and secure with our relay access controller. It sends SMS alerts to chosen contacts upon activation by its digital inputs, ensuring rapid response and protection of your property via the dependable GSM network. 5. Convenient and Secure Remote Operation: Manage device access remotely with our wireless remote control door access system. Its comprehensive features, such as GSM network compatibility and intelligent alarms, offer an all-encompassing solution for users seeking effortless control and unwavering security.