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