10X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor

features one new and high-quality two super loud 90 decibels alarm three convenience and installation just peel and stick for super environmental suitability and stability five deaths proof and insect prevention six easily mounted by adhesive type to window or door ideal entry warning for homes apartments mobile homes do RMS offices hotel rooms garages and more seven magnetic sensors which detects entry protecting your home or office whether you are in or out eight operated by three pcs of one 5v lr44 AG 13 button cell included specifications one dot sensor type alarm two dot alarm type sound 3 dot material plastic four color white five dot size 2.5 x 1.3 X 0.8 inch package included 10 X magnetic sensor 10 X magnetics Dec 30 XL are