Suggested Retail: $19.99. Door Window Alarm, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (12 pcs). This AiBest Door Window Alarm is a wireless magnetic sensor anti-theft alarm ideal for homes, apartments, offices, hotel rooms, and more. It emits a super loud 95 dB sound when an intruder breaks in. The magnetic sensor switch detects your door or window. Easy stick installation, just press on/off switch to power on/off then insert 2 PCS AAA battery (not included), tear the double-sided adhesive on the backpack, paste the alarm on your target position. Brand: AiBest. Model: AiBest. Alternate Title: Door Window Alarm, Burglar Alarm, Home Security Wireless Magnetic Sensor AntiTheft Alarm ((12 pcs) Home Alarm). 1ACCESSORIES 1ACCESSORIES 1OTHER . 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.