Features: 1This product is made of high-quality materials durable wear-resistant not easy to damage. 2Supporting the whole process control of mobile APP the interface is intuitive the operation is simple and the function is more abundant. 3The shutdown or opening time of relay is programmable and can be operated arbitrarily. 4Support SMS intelligent alarm always detect the status of the door protect the security of your assets. 5Based on GSM network it can be widely used in doors guardrails shutters parking systems household appliances computer rooms greenhouses remote equipment switching industrial remote control etc. Specification: Condition: Brand NewItem Type: Gate Opener RelayMaterial: Plastic Electronic ComponentsType: RTU5024 UpgradeGSM Frequency: Quad-Band 850/900/1800/1900MHzGigital Output: NC/NO Dry Contact 3A/240VACDC Power Supply: DC 9-36VPower Consumption: 12V Input Maximum 50ma / Average 25mASIM Card: Support 3V SIM Card (Not Included)Antenna: 50 SMA Antenna InterfaceTemperature Range: -20 - +60Humidity Range: Relative Humidity 90%Weight: Approx. 209g / 7.4ozSize: Approx. 76x82x27mm / 3.0x3.2x1.1in .w-e-text table td.w-e-text table th Package List: 1 x Gate Opener Relay1 x Antenna2 x Terminal Blocks1 x Manual Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.