Specifications: 1) Our wireless security/burglar alarm system anycops is produced with premium materials under the strictest quality control system. Our alarm systems can detect any break-in and intruder giving you a total peace of mind anywhere anytime. For more, please contact us now. 2) This product is automatically dial out the designated numbers whch you can choose any numbers such as your phone number or 911. 3) You can install the equipment easily within the place where a certain intruder might appear. 4) It\'\'s not only available to add more sensor as much as you want, but also even gas and smoke sensor. You will be safe forever with anycops from burglars.