KERUI 433MHz WiFi + GSM Smart Home Security System

The KERUI Smart Alarm System is a professionalgrade security solution that integrates WiFi (2.4GHz) and GSM (2G4G) connectivity to provide a reliable standard of protection for homes and businesses. Powered by the Tuya Smart or Smart Life app, this highutility system offers a professional standard of remote monitoring and is fully compatible with voice assistants like Amazon Alexa and Google Assistant.Key FeaturesDualNetwork Redundancy: Specifically engineered with both WiFi and GSMLTE capabilities to ensure a reliable standard of communication even during internet outages or power failures.IndustrialStandard Expandability: This highperformance hub supports up to 100 wireless zones and 100 detectors, including motion sensors, doorwindow contacts, and smoke detectors.RealTime Notification Framework: Delivers highutility alerts via APP push notifications, SMS messages, and automated phone calls to up to 6 preset emergency contacts.Vibrant TFT Color Display: Features a professional 1.7inch or 2.4inch color screen and a highperformance touch keyboard for easy onsite configuration.Intelligent Scheduling: Supports up to 8 groups of timed arming and disarming, providing an efficient solution for automating your daily security routine.TwoWay Audio & Monitoring: The industrialgrade host can be used as a standard mobile phone to make calls or perform remote voice monitoring and intercom.Reliable Backup Power: Equipped with a builtin rechargeable lithium battery that provides a professional standard of protection for up to 8 hours during a power loss.SpecificationsNetwork Connectivity: 2.4GHz WiFi (IEEE 802.11bgn), 2G4G GSM.Wireless Frequency: 433MHz.Alarm Loudness: Builtin 80dB siren, supports external wired sirens up to 110120dB.Sensor Detection Range: PIR Motion sensors detect up to 12 meters at a 110 angle.Wireless Distance: Reliable transmission up to 100150 meters in open areas.Operating Temperature: 0C to 55C.