Reliable GSM 4G Connectivity: This Smart GSM 4G Cellular Relay Switch is equipped with a 3V nano SIM card, supporting GSM and 4G LTE frequencies, ensuring seamless connectivity and control of gates, doors, and other devices remotely.
Fast Relay Time: With a maximum relay time of 9.5 seconds, this device provides swift and efficient control over your gates and doors, making it ideal for users who require quick and reliable access.
Durable Design: Constructed with a modern design style, this device is built to withstand various environmental conditions, with a storage temperature range of -20°C to +60°C and an operating temperature range of 10% to 90% RH.
Easy to Use: With a weight of only 188g and dimensions of 96.5x72x59mm, this device is compact and easy to install, allowing users to control their gates and doors with ease.
Comprehensive Warranty and Support: Backed by a 1-year warranty and online technical support, this device provides users with peace of mind and assistance when needed, including user "John" who can benefit from these features.