Gate Opener Relay Switch Wireless Remote Control Door Opener. Features: 999 Users Can Be Authorized Based on GSM Network, Widely Used Can Be Operated Anywhere, No Distance Limit Always Detect the Status of the Door, Illegal Intrusion Alarm Use Caller ID to Identify Unknown Callers Automatically For Remote Control Devices (doors, Door Posts, Guardrails, Garage Doors, Shutters and Household Appliances) APP Control, Providing Remote Control for Users with Different Needs SMS Smart Alert: Built-in 2-way Digital Input, when Any Trigger, Will Send a Reminder Message to the Designated Number, the Whole Family Care, and Immediately Start the Alarm, Protect the Assets for You Through the GSM Network. 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 RTU5024 RTU5035 2G 3G GSM Gate Opener Relay Switch Package List: 1 X RTU5035 GSM Gate Opener 1 X Antenna 1 X Card Pin Note: 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. . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.