?Maybe you need this FK9806A2 Intelligent Home Security Magentic Contacts Door Window Entry Alarm System with Remote Control White to help you. For professional design£¬ this warming system features sensitive response£¬ it will quickly alarm you while the thieves pushing the door or window. Also£¬ this warming system is very convenient to install. Made of high-quality material and with fine workmanship£¬ this warming system is durable and strong for long-term use. Are you worried about home invasions? This high-quality security sensor system must be your good choice!                                    Features             Easy and convenient to install<br> Professional design£¬ quick and sensitive response<br> Immediately alarm while thieves pushing the door or window<br> Suitable use at home£¬ in office£¬ in shop£¬ etc.<br> One magnetic sensor can match with at most 8 remote controllers freely<br> One remote controller could control several magnetic sensors<br> Excellent Home use product£¬ tiny and fashion<br> Alarm and door bell function for your option<br> Low energy and long work time   <br>                                                            Specifications             Volume     110DB    <br> Color     White    <br> Weight     2.29oz / 65g    <br> Material     ABS    <br> Dimensions     (3.34 x 1.65 x 0.66)" / (8.5 x 4.2 x 1.7)cm (L x W x H)    <br> Model     FK9806A2    <br> Power Supply     2 x AAA Batteries(Not Included)    <br> Standby Volume     100uA    <br> Alarm Volume     30mA    <br> Frequency     433MHz    <br> Alarm Response Time     200ms    <br> Standby Time     8-12 Months Remote Control    <br> Voltage     12V 27A    <br> Standby Volume     1uA    <br> Working Volume     15mA    <br> Standby Time     8-24 Months    <br> Remote Control Distance     20m       <br>                                                             Package Includes            1 x Magnetic Sensor <br>1 x Magnetic Stick<br>2 x Remote Controls<br>1 x User Manual<br>