Wireless High-Performance Portable Remote Control 4 Buttons For KERUI GSM PSTN Home Alarm System
This item must work with the alarm system, it can not work independently.
■ Power supply: 2 CR2016 button batteries
■ Modulation method: ASK
■ Wireless frequency: 433MHZ
■ launch distance: 100M (open space)
■ Encoding method: HS1527, oscillation resistance 220K
■ Quiescent current: <1uA
■ Operating current <20mA
■ Material: ABS
■ Operating temperature: 0- +50 ℃
■ Relative humidity: 10% -95%
■ Dimensions: 58x35x12mm

Super quality widened keys to avoid misuse
Professional optimize circuit design
Apparently improved signal intensity
Coding IC 1527
Operating frequency:433MHz
Laboratory button tested 100000 times

Kit 1:3*Wireless remote control (battery include)
Kit 2 : 5*Wireless remote control (battery include)
It can work with all the alarm system
I haven't tried it yet, but it's all right.
Super fast delivery. Products as expected. Batteries included. I recommend 100%.
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