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-PG992TQ Specifications
GSM freq 850/900/1800/1900Mhz
Backup Battery  For continue working 24 hours when power cut/off
Battery lithium battery DC7.24V
Display 1.7 inch TFT Colorl LCD display
Personal Message Record 10s
Input voltage DC12V
Standby current <25 mA
Alarm current 450 mA
Alarm Sound 110dB
Wireless frequency 433Mhz
Support wireless sensors EV1527/300K    2262/1.5-4.7M
Wireless distance 100m open
Support Sensors Q'ty 150pcs remote control + 150pcs detectors
Work Temperature Temp: –10°C to 40°C
Color Box Dimension 23*17*10cm
Standard Kit Weight 0.8KG
PST-PG992TQ Features & Functions
Working Ways GSM Network
PSTN Telephone Line
Contact ID
Defense Zones 99 Wireless Zones 
2 Wired Zones
Alarm call and sms telephone No. 6 groups of call phone number
2 groups CID numbers
3 groups of help phone number
6 groups of SMS number
Remote control the system Arm
Disarm
Monitor
Talking
Play records
Stop the siren sound or activate the siren sound
Control relay open and close (home appliance control )
Basic Functions LCD 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
0-20mins. Siren ringing time setting
Set the alarm volume
Remote control operation siren sound on/off
Zone name self-editing function
Ringing times setting
Timing arm and Timing disarm
Stay intelligent arm
Doorbell 
Welcome
Help senior
Anti-decoding protection function
Telephone line anti-cut function
External power on and off SMS notification
GSM mode on/off
Operating the host by SMS and Phone
Check alarm system working status 
Reset factory setting
PST-PG992TQ 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
Power Adapter x1
User Manual x1
Telphone Line Cable x1