Model Number: DZ-38014#1-#3160 Brand Name: Daegen Key Specifications/Special Features: * 6-24V AC/DC* With small size: 66 x 46 x 27mm* Open doors with a mobile phone free of charge* Low-cost investment in equipment* Easy installation and maintenance* No call charges* Easy,just dial the GSM gate number* Fast, replaces traditional remote control/can be installed to work together with an existing systemOperation of GSM gate control system is based on number identification performed by a GSM modem System is easy to use and maintain, you can specify the phone numbers from which the system can be controlled