Product Name: WiFi + GSM Alarm System with Compatiability to Tuay Products (ES-JT-24T) Model NO.: ES-JT-24T Receive Frequency: 433MHz / 868MHz / 315MHz Optional Transmission Mode: Wired and Wireless Alarm Working Principle: GSM Network Application: Indoor Certification: DOT, E-MARK, CE, ISO, FCC, RoHS, MUTCD, ASTM, CCC, GS Working Mode: Passive Signal Transmission: Wired and Wireless Alarm Type: Anti-Theft Alarm Network: GSM+WiFi Display: 2.4 Inch TFT Screen Contact ID Protocol: Supported Back up Battery: Rechargeable 3.7V Li Battery Zones: 45wireless Zones Zone Name: Can Be Renamed GSM Bands: 850/900/1800/1900MHz SMS Commands: Supported Phone Number Supported: 6 Groups Built in Intercom Speaker: Supported Trademark: Ease Security Transport Package: Neutral Color Box Specification: CE, ROHS Origin: Guangdong, China HS Code: 8531901000 Product Description WiFi + GSM Alarm System with compatiability to Tuay products (ES-JT-24T)Main Features1. WIFI +GSM alarm system, Panel with big SOS button2. 24 wireless zones for 24 wireless sensors and 10 remote controls3. Low battery remind function (PIR & Door sensor)4. Door two way communication function(Optional)5. Message pushing in time.6. Factory reset easily on app. 7. Add sensors&remote controls on "Tuya" APP, Operate easily! 8. linkage the smart switch, wifi camera and Other smart Home devices. 9. Input Voltage: DC9V~12V 10. Wireless Frequency: 433MHz11. Backup Rechargeable Battery: lithium DC7.2V12. Alarm Loudness: 85db (Internal siren)Technical Parameters of HostInput Voltage: DC9V-12V Static Current: <25mA Alarm Current: <450mA GSM Frequency: Support GSM850/900/1800/1900MHz WIFI :2.4G Back-up battery: Lithium battery, DC7.2V Siren: 85dB AlarmHostRF receiving frequency: 433MHz (±75MHz), PT2262/1.5-4.7MΩ; EV1527/300K Alarm Host RF Transmitting frequency: 433MHz(±75MHz), PT2262/1.5-4.7MΩ;EV1527/300K Factory default password: 1234 Working temperature: -10ºC~+50ºC4Standard Package Kit1. Alarm host (main unit)--1 pc2. Wireless door/window magnetic contact--1 pc3. PIR sensor--1pc4. Romote controllers--2pcs5. Power supply--1pcBackDoor Sensor with Low Voltage Reminderlinkage CameraInput Voltage:DC9-12VStandby Current:<25mA Alarming Current:<450mA Wireless Frequency315/433MHz,2262 / 4.7MΩ 1527/300KGSM Frequency:Quad Band 850/900/1800/ 1900Backup Battery:DC7.2VInside Siren Volume:>85dB-----------------------------------------------------------------------------------------------------------------------------------------------Fire alarm system, smoke alarm system, burglar alarm system, emergency alarm system, intruder alarm system, home alarm system, intruder alarm system, security system, alarm system, sensors are on sales, etc.