Keyboard via radio

Description:
Keyboard is used to arm and disarm the system using a four digit password. Also it has a panic option and a sabotage sensor that triggers a full alarm.
If somebody tries to open the keyboard case or fails 3 times introducing the password, keyboard sends an alarm signal to the control panel.
Features:
- Alarm mode: armed / partial / disarmed
- Sabotage system
- Backlit keys
- Power supply: 3 Alkaline batteries AA 1,5V
- Frequency: 868MHz
- 250 m range (in open field)
- Auto pairing
- Working temperature: -10ºC ~ +40ºC
- Dimensions: 90 x 87 x 31 mm