Alarm to hostgsm receiving frequency433mhz unobstructed effective range mopen area wireless zones99 wired zones8 lcd displayy sms phone numbers6 alarm to user phone numbers6 sound recordingyes alarmdisalarm typephone sms local alarm sound scale dbm110 output power supply v12 power supply typebuilt in li battery battery working time hours10 operating humidity rh40 80 power supply v3 quiescent current ua16 transmitting current ma10 battery li