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Name: Tuya Smart WiFi Siren Alarm System Work with Amazon Alexa/Google Assistance
Model: PST-H3
◆Tuya Smart WiFi Siren Alarm System
◆ APP name:TuyaSmart
◆ Work with Amazon Alexa/Google Assistance
◆ Input Voltage:AC85-250V
◆ Support 8pcs remote controllers and 50pcs Wireless sensors
◆ Low-battery detection(Only standard sensors)/Power off /Tamper detection
◆ Built in battery 250mah 3.7V
◆ Built-in doorbell Dingdong, with 17 bands of eight chord music to switch
◆ 32 Alarm sound optinal
◆ Standard kit sensors can independent scenario with other tuya products
◆ Alarm mode: Flashing + Sound + Alarm push to Mobile app
◆ Support all Tuya smart product Linkage control
◆ Wireless learning coding,compatiable with 2262 or 1527 chip sensors;
User Manual
Youtube Video
PST-H3 Specifications
Name TuyaSmart WiFi Siren Alarm System
Model PST-H3
APP Name TuyaSmart
Color White 
Material ABS
Input Voltage AC85-250V
Sound level 120dB
Alarm Sound 32 Alarm sound optional
Built-in Battery  250mah 3.7V
Plug US/EU/UK Plug Optional
WiFi Standards IEEE 802.11 b/n/g 2.4G Hz
Wireless frequency 433MHz
Wireless transmission range 100meters(Open area)
Support Remote Control Quantity Max 8pcs
Support Wireless Detector Quantity Max 50pcs
Support Voice Control Work with Amazon Alexa/Google Assistance
Timing Control Arm/Home Arm/Disarm
Work Mode Arm/Home Arm/Disarm
Operation Temp. –10°C to +50°C
Humidity 5%--95% non-condensing
Dimension 18*16*9cm
Weight 0.4kg
PST-H3 Package List
WiFi Siren x1
PIR Sensor x1
Door Sensor x1
Remotes x1
Wireless Dingdong x1
USB Cable x1
Adapter x1