... times to be programmed 9. telephone trunk protected 10. battery back-up ,built-in panel.11. while alarm is happened, it ... *120 °horizontal+60°vertical10. Optional sensor: wireless smoke detector, gas leakage detector, vibration sensor, siren with strobe light, flashing siren, ... : one control panel, one magnetic door sensor, one PIR detector, two remote controllers, one telephone line, one wired siren, ...