Features：<br>1.Once Magnetic sensor can match with at most 8 remote controller freely<br>2.One remote controller could control magnetic sensors<br>3.Excellent home use product,tiny and fashion<br>4.Advanced window/door alarm system with magnetic contact sensor kit and hand-held  remote controller.<br>5.Long lasting battery life with low power consumption design.<br><br>Specifications:<br>Magnetic Sensor:<br>1.Volume:110DB<br>2.Voltage:3V, AAA*2pacBatteries not included)<br>3.Alarm Current:30mA<br>4.Frequency: 433 MHz<br>5.Alarm response time:200ms<br>6.Stand-by time:8-12 months<br>7.Operation temperature: -10°C - 60°C indoor<br>8.Operation humidity:<80%<br>9.Magnetic sensor and magnetic stick should less than 10mm.<br>10.Magnetic Sensor Size:85(L)*43(W)*17(H)mm<br>11.Magnetic Stick Size:45(L)*10(W)*14(H)mm<br>12.Color:White，Black<br><br>Remote control:<br>1.Voltage:12V 12V27A*1pac<br>2. Working Current:15mA<br>3.Frequency: 433 MHz<br>4.Remote cantrao distance:20m<br>5.Stand-by time:8-24 months<br>6.Size:60(L)*30(W)*11(H)mm<br><br>Package Included:<br>1*Magnetic Sensor(Batteries not included)<br>1*Magnetic Stick<br>1*Remote Control<br>1*User Manual<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-7-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-8-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-9-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-10-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-11-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-12-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-13-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/561e3a47a167d3057de034ae-14-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;">