Wolf-Guard MR1-JD-W06 Wireless 4G WiFi Home Alarm Security System by Amazon.co.uk

• EASY TO SET:All accessories are already in the control panel and you only need to install them in the right place.A back up recharge battery in the main panel,include 12V power supply.door and PIR sensors all include durable batteries

• SOLUTION:Once an object is detected, a 110db warning sound is issued to scare off the intruder.Also automatically call you at once.Peace of mind.Sleep better at night.Stress free when you are on holiday

• SIM CARD: Needs a dedicated data sim for the SMS messages,put it in the rear slot of the main alarm box.can add 6 groups preset alarm phone number and 3 groups sms phone number

• APP CONTROL:Arm alarm ;Disarm alarm;Monitor i.e. listen to area around your host unit and speak into host unit

• FREELY EXPAND IT:Do-it-yourself home system.Wireless learning code,very easy to additional wireless accessories like as water leak sensors,SOS button ect.