Wireless Smart GSM Security Alarm System

Power adapter: dc 12v/1a(included) standby power:<= 80ma alarm current:<= 450ma alarm panel battery: li-ion dc 7.4v 500mah(included) pir sensor battery: 2*aaa 1.5v(included) door sensor battery: cr2023 3v(included) remote control battery: cr2025 1.5v (included) built-in siren volume: 90db wireless frequency: 433mhz housing material: abs temperature range: -10°c—+55°c humidity range:<=80%(no freezing)