SQL语句出错:select * from product_ext where ProId= order by 1 limit 1
错误代码:#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order by 1 limit 1' at line 1SQL语句出错:select * from product_category where CateId= order by 1 limit 1
错误代码:#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order by 1 limit 1' at line 1 Tuya Smart Home Alarm,Tuya Smart CCTV Camera,Tuya Smart Door Phone & Lock,Tuya Smart Electrical,Tuya Smart Lighting Professional Manufacturer in China
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PST-PG992E Specifications
GSM freq 900/1800/1900Mhz
Backup Battery  For continue working 24 hours when power cut/off
Display LED display
Personal Message Record 10s
Input voltage DC12V
Standby current 55 mA
Alarm current 450 mA
Wireless frequency 433Mhz
Support wireless sensors EV1527/300K    2262/1.5-4.7M
Wireless distance 100m open
Support Sensors Q'ty 99pcs detectors
Work Temperature Temp: –10°C to 40°C
Color Box Dimension 33*25*7.5cm
Standard Kit Weight 1.2kg
PST-PG992E Features & Functions
Working Ways GSM Network
PSTN Telephone Line
Defense Zones 99 Wireless Zones 
2 Wired Zones
Alarm call and sms telephone No. 5 groups of call phone number and SMS number
1 group of emergency phone number and SMS number
Remote control the system Arm
Disarm
Monitor
Talking (External)
Play records
Stop the siren sound or activate the siren sound
Open DC12V or Close DC12V
Basic Functions LED display time/Arm/Disarm/Stay arm/Alarm/Setting
English voice operation instruction
Password protection function
0-99secs. delay alarm setting
0-99secs. delay arm setting
0-30mins. Siren ringing time setting
Zone name self-editing function
Ringing times setting
Timing arm and Timing disarm
Stay intelligent arm
Multi-tech alarm function (2 or more than 2 zones)
Repeat triggered alarm function
Doorbell 
Anti-decoding protection function
Telephone line anti-cut function
External power on and off SMS notification
Operating the host by SMS and Phone
Reset factory setting
PST-PG992E Standard Package List
Home Alarm Host(Built-in battery) x1
PIR Sensor(Battery & Bracket Included) x1
Door Sensor(Battery Included) x1
Remote Controller(Battery Included) x2
Siren x1
Power Adapter x1
User Manual x1
GSM Antenna x1
Wired Zones Connection Pins x1
Telphone Line Cable x1