Product Name: Tuya Zigbee Wireless Smart WiFi GSM Alarm System with APP Control Es-H2 Model NO.: ES-H2 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 TUYA Zigbee Wireless Smart WIFI GSM alarm system with APP Control ES-H2Main Features1.Designed on the base of TUYA smart home platform, work with most of the TUYA smart based smart products2.Connect to WiFi, App control3.Wireless ZIGBEE two-way communication, no need cabels4.50pcs detectors can be added, each detector can be programmed5.Low power-consumption design6.Accessories low power notification7.Volume adjustable8.Silent mode can be set9.Defense zones support Disarm, Arm, Home Arm, 24H Arm, Delay Arm, etc for option10.Built-in GSM module, can still alarm normallyin GSM mode even power off11.Built-in back-up battery, have notification when AC power cut or recoveryTechnical 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 Working temperature: -10ºC~+50ºC4Standard Package Kit1*TUYA smart wifi Alarm Panel1*Zigbee smart Door Magnetic1* Zigbee PIR Detector1*Zigbee Remote Control1* Zigbee wireless siren1*Power AdapterParts DimensionRemote ControlAPP ControlInput Voltage:DC9-12VStandby Current:<25mA Alarming Current:<450mA Zigbee TECHless interferenceGSM 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.