Package Including: Home Alarm System Main Panel * 1 Pcs (NOT Including GSM Sim Card) Built-in Antenna Wireless PIR Infrared Detector * 3 Pcs Built-in Antenna Wireless Door / Windows Sensor * 3 Pcs Built-in Antenna Metal Remote Control Key * 2 Pcs RFID Tags * 2 Pcs Wired Siren * 1 Pcs(110dB) Built-in Siren * 1 Pcs(70dB, the siren is built-in main panel) AC Adapter * 1 Pcs English User Manuel * 1 Pcs Item Specification: Wireless Frequency: 433(MHz) Built-in siren(70dB/m) Standby Current: less than 35mA Alarm Current:less than 120mA GSM transmission power: 2W WIFI Frequency: 2.4G, built-in wireless internet protocol IEE802.11b/g and TCP/IP protocol stack WIFI receiving sensitivity: -86dbm; Emitting power: 18dbm Input:AC100-240V, Output:DC12V-1A Control Range:250-500 Ft(in open area) Working Temperature: -15C~55C(5F~130F); Humidity:Less than 90 Percent Dimension:184*144*13mm How to isntall door sensor and motion detector: 1. Door sensor: The door/window sensor’s main unit and the magnetic strip are respectively installed on the door/window and the door/window frame. Discreetly keep track of your home windows and doors. When a window/door opens, a high-pitched alarm is immediately issued. 2. Motion detector: With 120 Degree wide detection angel and up to 12m detection distance, It has high sensitivity and anti HF interference function, can effectively trigger the alarm, not miss any theft. Meanwhile, with temperature compensation,no error will be issued, effectively avoid the false alarm. Tips: Recommend installation height is 1.8m-2.2m.