1. Wireless GSM Car Alarm Device - Remote Monitoring -US Band China Manufacturer Specifications Voltage for CPU: DC12V +/- 2V Static Current: < 20 mA Operates at 850 and 1900 MHz Frequencies: 315 MHz Output Current: Direction Light 7.5A x 2 Central Door Lock: 10A Siren: 5 ~ 10A Product Notes Unique double voice reminder Auto change to air lock Completely automatic operation Remote open/close car doors Remote monitoring Remote police alert/oil cut-off/power off /voice frightening Remote stop car to preventing robbery Hidden police-alert switch/police alert quietly Make phone call Remote engine starter Package Contents: Car Security System x2 Keychain remote User manual with installation instructions - English Dialer/controller Mainframe module Siren Sensor GSM antenna Input wire bundle (12P) Input wire bundle (10P) Input wire bundle (6P) Start Connection wire bundle Fastening wire bundle