Wsdcam Door Alarm Wireless Anti-Theft Remote Control Door And Window Security Alarms Arm/Disarm/Panic/Doorbell mode controlled by the remote Magnetically triggered alarm suitable for Doors or Windows More alarms and remotes available for pairing Detering thieves effectively by 105dB loud alarm Simple peel and stick installation An alarm need two AAA alkaline batteries ( not included ) A remote need a 12V/27A alkaline battery ( included ) They can work for at least a year with low-consumption design Product size: Alarm( 3.35*1.57*0.59 inch), Remote( 2.48*1.18 inch), Magnet box(1.77*0.47 inch) Package weight: 71 g 1* Door Alarm 1* Magnet Sensor 1* Remote Control 3* Adhesive Tape 1* User Manual <u>Arm Mode:</u> When you press arm button, the alarm will sound &#034;Bi Bi Bi&#034;. And 15 seconds later it will sound &#034;Bi&#034; to indicate that the alarm is in arm mode. <u>Disarm Mode:</u> When you press disarm button once, the arm will sound a long &#034;Bi...&#034; to indicate that the alarm is in disarm mode. <u>Panic Mode:</u>(for emergencies) When you press panic button, the alarm will alarm 30 seconds immediately. It is effective in any mode. <u>Doorbell Mode:</u>When you change the alarm to disarm mode and press doorbell button, it will sound &#034;dingdong&#034; to indicate that the alarm is in doorbell mode. Change to disarm mode by the remote. Put one battery into the alarm need be paired at first. When put the other one into the alarm need be paired, press and hold the doorbell button of the remote. After you hear a &#034;Bi...&#034;, press arm button once. Then the alarm will sound two &#034;Bi... Bi...&#034;. It is well done. Change to disarm mode by a paired remote. Take out two batteries of the alarm. Put one battery into the alarm at first. When put the other one into it, press and hold the doorbell button of the remote need be paired. After you hear a &#034;Bi...&#034;, press arm button once. Then the alarm will sound two &#034;Bi... Bi...&#034;. It is well done.