4G GSM Remote Door & Pump Controller G203: SMS/Phone Relay Switch

This innovative device allows users to remotely control doors and pumps via SMS or a phone call, using 4G GSM technology. It features a reliable relay switch that can be activated from any location with cellular service, making it ideal for secure access management and fluid control in various settings. With easy installation and user-friendly operation, this controller is perfect for enhancing security and convenience in residential, agricultural, and industrial environments. Working power supply: 9~36V Ambient temperature: -10~+60 Relative humidity: 10~90 Card storage capacity: 1 Type: Double-door Access Control Controller Manufacture country: China Instructions included: No