Door Alarm (NT-2402)

Features GSM quad band network, LBS location Powerful tracking platform 24/7 protect you and your family safety All commands can be set by APP Smart door , independent host , without Install Built-in 4-class adjustable sensitive vibration sensor Built-in precise opening and closing doors and windows sensor Built-in high sensitivity sound sensors Built-in high sensitive MIC, Voice monitoring Infinite distance alarm Low battery alert Up to 300 hours SIM changing alarm Lifetime GPS device hardware warranty