REACHFAR V23 4G Internet Door Sensor Alarm Home Door Window Sensor Alarm

The main function: 1. 4G network 2. SOS for help 3. Waterproof grade IP67 4. Web platform/App/SMS alarm information 5. Door sensor alarm 6. Low battery alarm 7. Two-way conversation Product specifications: 1. Frequency band: 4G-FDD: B1 B2 B3 B5 B7 B8 B20 B28A; 3G-WCDMA: B1/2/5/8 2G-GSM: B2/3/5/8 2. Working temperature: -20 degrees Celsius -80 degrees Celsius 3. Working humidity: 5 percent-95 percent RH 4. Battery capacity: 2000mA 5. Standby time: 35-40 days 6. Product size: 110x50x18 mm 7. Product net weight: 133g Packing list: 1. Host x 1 2. Magnetic stripe x 1 3. Manual x 1 4. Screwdriver x 1 5. Mounting bracket x 1 6. Card thimble x 1 7. Charging cable x 1 8. Bracket screw x 4