Built-in Siren and With 110db wired siren. All alert hosts in this link are GSM 4G WiFi versions. Compatible with wireless PIR sensor, door sensor, smoke detector, gas detector, panic button etc. Easily setup your KERUI Alarm by plugging in your base station, connecting to wifi via the Tuya Smart app, and placing your sensors in their ideal locations.
eBay
It can work with all the alarm hosts as long as your host Frequency is 433mhz.
eBay
The advantage of 4G alarm system. Following the official closure announcement of 2G networks in United States, Canada, Mexico, Australia, Euro Union, etc. Worldwide cellular mobile network prvoides are considering ceasing 2G service with in-progress plans in coming years. Without 2G networks, 2G/GSM only alarm system will fail to achieve it's major function, remote control through calls and SMS. To provide customers with longer alarm system lifespan, our company is launching a series of it's 4G alarm system which are both 4G/3G/2G(GSM) Network compatible. Applicable Area US 4G alarm system work on United States, Canada, Mexico.(If use in USA, suggest use AT&T, T-mobile 4G Sim card). Euro 4G alarm system work on Euro Union, United Kingdom and other EU countries, Africa, Asia.
eBay
eBay
App: Tuya smart or Smart life. When the door / window is triggered, you will receive an alarm signal from your phone. Low Power warning: The sensor door need with TWO AAA Batteries(not include). Convenient for you to detect the status of your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed.
eBay
Elevate your home security with the SwitchBot Contact Sensor, an innovative solution designed to provide peace of mind. This smart home device, compatible with Windows, is an essential addition to your smart home ecosystem, offering wireless connectivity that ensures effortless integration with your existing systems. The package includes a main unit, door sensor, and window sensor, allowing for comprehensive monitoring of your home's access points. The Smarthome brand is synonymous with reliability, ensuring that this door alarm model delivers on both performance and convenience. Simple to set up and use, the Contact Sensor is an effective deterrent against unwanted intruders.
eBay
The advantage of 4G alarm system. Following the official closure announcement of 2G networks in United States, Canada, Mexico, Australia, Euro Union, etc. Worldwide cellular mobile network prvoides are considering ceasing 2G service with in-progress plans in coming years. Without 2G networks, 2G/GSM only alarm system will fail to achieve it's major function, remote control through calls and SMS. To provide customers with longer alarm system lifespan, our company is launching a series of it's 4G alarm system which are both 4G/3G/2G(GSM) Network compatible. Applicable Area US 4G alarm system work on United States, Canada, Mexico.(If use in USA, suggest use AT&T, T-mobile 4G Sim card). Euro 4G alarm system work on Euro Union, United Kingdom and other EU countries, Africa, Asia.
eBay
The advantage of 4G alarm system. Following the official closure announcement of 2G networks in United States, Canada, Mexico, Australia, Euro Union, etc. Worldwide cellular mobile network prvoides are considering ceasing 2G service with in-progress plans in coming years. Without 2G networks, 2G/GSM only alarm system will fail to achieve it's major function, remote control through calls and SMS. To provide customers with longer alarm system lifespan, our company is launching a series of it's 4G alarm system which are both 4G/3G/2G(GSM) Network compatible. Applicable Area US 4G alarm system work on United States, Canada, Mexico.(If use in USA, suggest use AT&T, T-mobile 4G Sim card). Euro 4G alarm system work on Euro Union, United Kingdom and other EU countries, Africa, Asia.
eBay