【Smart Alarm Kits 】JCHENG SECURITY home and business alarm system complete with fully programmable alarm host and sensors. Alarm host with 2.4 Inch TFT screen and touch panel, GUI supports multi-language, easy set-up app for smart phones (iOS and android and Google). Accessories include: pet immune PIR Detector (Max KG of immunity:20 kg) X1, Wireless PIR Detector (Non-Pet-immunity) X1,door sensor X2, Remote controller X2, RFID Tag X2, Warning Sticker X2 【4G Sim Card and Wi-Fi Switchable】The burglar Security Alarm Kits support prevail 4G Telephone network, and 2.4G Wi-Fi network(2.4G WIFI only, it can't support 5G). It offers dual channel connection at the same time. When Wi-Fi and 4G phone are connected with alarm hub at the same time, Wi-Fi is the first priority. While WIFI is under weak coverage, 4G phone card sends alarm message and calls as backup. (4G Simcard Excluded) 【ALoT functions】JCHENG alarm system is a creative design. On one hand it reserves all professional functions of alarm system. I.E. support 6 Modes of alarm system, 99 Defense Zone, with multi-zone name settings. Support 5 groups preset alarm phone number and SOS Voice recording. On the other hand, it adopts’ ’Smart Life’’ from TUYA, which enables AI links all internet things. You can control camera, alarm kits and other smart things through Alexa, and google home ect 【DIY Your Accessories】JCHENG Business/Home Protection and Safety kits based on 433MHz Wireless frequency , further supply complete range of Security Alarm accessories like Wireless PIR Motion Detector(pet-immune and non pet-immune), Window/Door DIY Contact Sensor, Remote Controller, Curtain PIR Detector, Panic Button, RFID Tag, Water Leakage Sensor ect. to customers. The accessories are compatible with most of alarm host in the market. If not clear, do pls mail us for more details 【JCHENG’S After Service】30 days Money Refund,2 years quality warrantee and life time tech support. Any question or advise on our product, please feel free to contact us by support@jcheng-security.com, will reply you within 24 Hours. Also, if not clear about setting up, we have teaching video of the alarm series on YouTube and Facebook, please search ‘JCHENG SECURITY’ and find us!, Manufacturer: JCHENG SECURITY